Urban Futures: Leading Interdisciplinary Efforts in Urban Sustainability — Transcript
Full transcript
- 0:00all right uh welcome for thanks for
- 0:03joining us again here today I'm Lawrence
- 0:05bja director of ral's climate science
- 0:07and applications program if you're in
- 0:10the audience today then you're probably
- 0:11already familiar with Patty Romero Lena
- 0:14and her Cutting Edge Urban Futures
- 0:16program but for those of you who are new
- 0:18to Patty well today you're in for a real
- 0:20treat uh Patty joined incar in 2006 and
- 0:23since then she's been a leading voice in
- 0:25expanding the scope of nar's
- 0:27interdisciplinary research areas
- 0:30collaborating with both enar and
- 0:32external scientists on highquality
- 0:35integrated research at the intersection
- 0:37of urbanization and environmental risk
- 0:40Patty tends to work at a very high level
- 0:42and has exercised strong scientific
- 0:44leadership on for many significant local
- 0:47National and international efforts uh
- 0:50these include such Global initiatives as
- 0:52future Earth UAC which is wcps
- 0:55urbanization and Global Environmental
- 0:57change project and the UN habitat
- 0:59program
- 1:00Patty was also a co-leading author for
- 1:02working group two of the Nobel prize
- 1:04winning ipcc fourth assessment report
- 1:07and was a convening lead author for the
- 1:08North American chapter of the more
- 1:10recent ipcc
- 1:12ar5 and yet she still takes the time uh
- 1:16to meet with and carefully explain the
- 1:18impacts of urbanization and climate
- 1:21change to the first graders in the
- 1:22elementary schools so whether it's
- 1:24participating in international
- 1:27negotiations uh like your presentation
- 1:29at the recent top 21 in Paris or working
- 1:32out one-on-one with residents in a slum
- 1:34in Mumbai India uh Patty brings a keen
- 1:37scientific curiosity and a deep
- 1:39theoretical background uh combined with
- 1:41an amazing level of passion and energy
- 1:43to her Cutting Edge Urban research this
- 1:46keeps inar at the scientific Forefront
- 1:48of this area so at this point I'm going
- 1:50to turn it over to Patty for her
- 1:52presentation there'll be a question and
- 1:53answer period at the end so I'll ask you
- 1:55to hold your questions to that time
- 1:58thank you um I'm glad that you already
- 2:01saved me some some minutes of my talk um
- 2:06well it is known for many of us H that
- 2:10cities are crucibles of
- 2:12innovative experiments and interventions
- 2:16seeking to reduce the impacts of flats
- 2:19and heat waves and to increase the
- 2:22capacities of populations to H mitigate
- 2:26and to respond to environmental change
- 2:28what is missing is are interdisciplinary
- 2:33efforts that help us understand how
- 2:35effective how sustainable how resilient
- 2:39those interventions are in that context
- 2:42the mission of urban Futures is to
- 2:44explore key intersections between
- 2:47urbanization and environmental change in
- 2:50order to inform action and World Views
- 2:53across scales in ways that Foster
- 2:57sustainable and livable cities and
- 2:59livable is very important believe me I
- 3:02am from a non liable city
- 3:06um we have focus our research in three
- 3:09research on three research fite the
- 3:12first tries to address how Urban
- 3:15Development impacts the environment the
- 3:18second tries to understand what are what
- 3:22factors determine vulnerabilities and
- 3:25resilience across and within cities and
- 3:28last but not least we also want to
- 3:32understand what factors what limits what
- 3:34barriers are out there to enhance
- 3:39decision makers and actors capacities to
- 3:41respond to these
- 3:43challenges um I won't be able to talk
- 3:45about all this three themes I will focus
- 3:48on the second
- 3:49one let me insist that something I have
- 3:53engaged in since I moved to Anar are
- 3:57research efforts that go from the global
- 3:59to the country to the city to the
- 4:02neighborhood and household level and
- 4:04backwards and I will tell you why a it's
- 4:09very important for social scientists to
- 4:11understand how the history of a city and
- 4:15his institutions which I will Define
- 4:17later on Define
- 4:19current ER patterns of vulnerability and
- 4:23risk but when I came to Anar I realized
- 4:27that we were faced with a a challenge
- 4:30similar to the one doctor's face a
- 4:33doctor is needs to be able to say
- 4:35whether someone is healthy or not we
- 4:39social scientists need to also be able
- 4:42to understand what factors May
- 4:45populations and cities vulnerable
- 4:47sustainable or resilient so our
- 4:50challenge is an upscaling challenge
- 4:53which is similar but different to the
- 4:56downscaling challenge many modelers here
- 5:00at Anar are faced with and I really have
- 5:02learned to respect what they do by the
- 5:04way
- 5:07um I will focus my presentation on five
- 5:10themes first I will share with you the
- 5:13rational the
- 5:14motivation uh for this work and our
- 5:18conceptual framing of risk then I will
- 5:21use three examples of our research to
- 5:25highlight how this framework has been
- 5:28tested the first focuses on the factors
- 5:33the determinance of urban populations
- 5:35vulnerability across and within cities
- 5:39the second focuses on unpacking
- 5:42urbanization because we all talk about
- 5:44urbanization but sometimes we don't
- 5:46measure it and we just say blah blah
- 5:49blah so what what are the links between
- 5:51urbanization and risk and this is an
- 5:53effort that we did focusing uh on global
- 5:57and uh the country scale
- 6:00and then I will go into a case study one
- 6:03of the most Recons we have been working
- 6:05with with h Joshua Sperling on a key
- 6:09dimension of Urban Development
- 6:11inequality as it relates with
- 6:13vulnerability of
- 6:15households I will use three these three
- 6:18examples to lay out my ideas my my
- 6:22suggestions for future research
- 6:25directions let me start with this first
- 6:28H with a motivation cities already face
- 6:32risk from climate relevant hazards this
- 6:35is a a map I did with Alex the shini for
- 6:40the UN habitat report on cities and
- 6:42climate change and what we measure here
- 6:45was the hazard risk of each City that
- 6:49represents a cumulative index based on
- 6:52the risk of impacts from exposure to
- 6:54four hazards Cyclones or or hurricanes
- 6:58flooding landslides and
- 7:01droughts we know from our work with
- 7:04Cynthia rosenb that and also from my
- 7:07work in the ipcc that human activities
- 7:11are expected to change the earth's
- 7:14climate in ways that can increase risks
- 7:17to
- 7:19cities I know also that it is very
- 7:22difficult to attribute many of the
- 7:24Dynamics of Hazards to climate
- 7:27change and therefore I'm because I have
- 7:30learned that by working within the ipcc
- 7:32and collaborating with my colleagues
- 7:34here at
- 7:36enar I am convinced that an integrated
- 7:39risk approach will be key to
- 7:42understanding and managing
- 7:44sustainability challenges in a changing
- 7:47climate equally important will be to
- 7:51understand the development context in
- 7:53which actors and decision makers make
- 7:56decisions if we don't do we will make
- 7:58many
- 8:00mistakes um how do we Define risks there
- 8:05are two big approaches to Urban risk for
- 8:08the first Tock down risk is the
- 8:11probability of a hazard occurrence
- 8:14multiplied by its consequences this is
- 8:16the most use here in
- 8:18Anar a modelers use scal down models to
- 8:23estimate future hazards such as Flats
- 8:27heat waves they explore adaptation
- 8:30Options under different climate and
- 8:32socioeconomic
- 8:34scenarios there is also what I would
- 8:37call the bottom up approach to risk this
- 8:40is more of a social science approach for
- 8:43which risk is the potential for
- 8:45uncertain outcomes where something of
- 8:48human value livelihoods lives property
- 8:52is at stake we need to keep that in mind
- 8:54because sometimes we think oh let's move
- 8:57that population from there well well
- 8:59that's not so easy it's it's quite
- 9:03complicated this approach uses
- 9:06vulnerability Frameworks that are
- 9:08similar to the models that we use in the
- 9:12top down approach it combines
- 9:15quantitative and qualitative methods and
- 9:17data what is very important it helps us
- 9:21understand the culture the history the
- 9:24institutions of a city and it combines
- 9:26that with quantitative methods and I
- 9:28will refer to that to examples of how
- 9:31this is
- 9:33done a the the framework we suggest
- 9:38integrates both approaches and let me
- 9:41just ask you to remember that the top-
- 9:44down approach tends to focus on the
- 9:47Dynamics of environmental change as they
- 9:50affect Hazard exposure while the second
- 9:54approach tends to focus on the societal
- 9:57factors governance one of the
- 10:00that explain differences in access to
- 10:04assets and options to respond to hazards
- 10:07in this approach which which Builds on
- 10:10the ipcc reports the one on risks and
- 10:14the number five a hazards are
- 10:20stresses such as flats and social unrest
- 10:23because people do not only deal with the
- 10:26environment a people economic social and
- 10:29infrastructural assets are exposed to
- 10:32the final impacts of exposure to this
- 10:35depends on societal factors and
- 10:38ecological factors and those are defined
- 10:42with the concept of vulnerability which
- 10:45is the propensity to be adversely
- 10:48affected the contrary of it is
- 10:51resilience the capacity to perceive risk
- 10:54and effectively
- 10:57adapt I want also to insist that the
- 11:01exposed units can also be sensitive and
- 11:04that we Define as a
- 11:06degree by which they can be negatively
- 11:09or positively
- 11:11affected the capacity of H soci
- 11:14ecological systems and of populations
- 11:16which I will focus on is a pull of
- 11:19assets such as
- 11:21education information and social
- 11:24networks actors can use to manage risk
- 11:28while at attending their development
- 11:31needs actors who are those actors um not
- 11:35Angelina Jolie but actors are the
- 11:37government the private sector NOS
- 11:40scientists and the
- 11:42media these assets and options are
- 11:45unequally distributed and therefore we
- 11:48use the concept of social
- 11:50inequality defined as a condition that
- 11:53ansers when assets are distributed
- 11:57unevenly these actors do not not work
- 12:00and operate in a vacuum they operate in
- 12:04what we call governance and we Define as
- 12:06the set of formal and informal I want to
- 12:09insist informal rules because I will
- 12:11come back to that rule making systems
- 12:14such as laws and regulations actor
- 12:18networks at all levels to steer cities
- 12:21towards or away from
- 12:24sustainability with this framing let me
- 12:27now show you how we have been testing it
- 12:30and um what our findings are and let me
- 12:34start by the first example Urban
- 12:36population vulnerability that's
- 12:38something I did with Katy Dickinson who
- 12:40is there and with
- 12:44hin we are aware that context matters
- 12:49but we hypothesized in this project that
- 12:52was awarded by NSF that it is possible
- 12:55to identify patterns of populations
- 12:58vulnerability across Urban centers and
- 13:01what is equally important research
- 13:03approaches we develop a metaanalysis and
- 13:07meta knowledge or sociology of science
- 13:09I'm a sociology so that's why I did it
- 13:11right approach and we focus on
- 13:15temperature related hazards such as heat
- 13:17waves why did we focus on those because
- 13:20they are associated to large
- 13:23impacts because they are clearly tied to
- 13:27climate change we were able to assess a
- 13:31large number of
- 13:32studies and to cover 224
- 13:37cities so okay what is urban population
- 13:40vulnerability although everyone defines
- 13:43vulnerability the way I already share
- 13:45with you not everyone measures
- 13:48vulnerability equally we identify three
- 13:52approaches to vulnerability for the top
- 13:56down apply by 80% 88 % of the papers and
- 14:01which is mostly used by epidemiologist
- 14:03climate modelers and some natural
- 14:05hazards
- 14:07communities a vulnerability results from
- 14:10exposure to a hazard and they measure it
- 14:14by exploring quantifying the temperature
- 14:17Health outcome and a a a also
- 14:22quantifying confounding factors such as
- 14:25age and such as education let me ring
- 14:28some water
- 14:31that's what these things do to you
- 14:34huh okay for the second
- 14:38approach Al also
- 14:41remember I I'm mapping my framework and
- 14:44you are seeing how I'm going from
- 14:45Concepts to methods to data to results
- 14:49and backwards so for the second approach
- 14:52applied by 11% of the papers and which
- 14:55is mostly a social science
- 14:57approach um
- 14:59vulnerability is defined by differences
- 15:03in capacities that are driven by what we
- 15:07call structural factors such as
- 15:10inequality governance and
- 15:13organization while the topown approach
- 15:15focuses on the individual without
- 15:18considering the social
- 15:20environment the social science approach
- 15:23focuses on
- 15:24social dynamics and sometimes forgets
- 15:27about the environmental conditions
- 15:31therefore many scholars particularly
- 15:33some of us at cisa have developed
- 15:36integrated approaches that integrate
- 15:38both
- 15:40a approaches to risk and that focus on
- 15:45both the
- 15:46socioecological and social and
- 15:49ecological determinants and also the
- 15:51underlying drivers of
- 15:53vulnerability sadly this approach was
- 15:56only applied by 11% of the P papers we
- 16:01analyze we also applied the ipcc
- 16:04approach to assessing and certainty and
- 16:08what we did was
- 16:11to H quantify the
- 16:14evidence meaning the number of papers
- 16:18identifying a factor as determinant of
- 16:20population vulnerability and the
- 16:22agreement among
- 16:25Scholars and how did we measure this it
- 16:29was hard right Kathy it was not an easy
- 16:32process but we did it and what we did
- 16:35was
- 16:36to identify those Hazard
- 16:39indicators such as the timing of a heat
- 16:42wve the levels of temperature and what
- 16:44is very important the thresholds which
- 16:46we call temperature magnitude we also
- 16:50use indicators of exposure so such as
- 16:53population density total population
- 16:55vegetation and indicators of capacity so
- 16:58such as access to education social
- 17:02networks and H we also use asign
- 17:07symbology to uh define whether the
- 17:10indicator is positively related to
- 17:13vulnerability meaning increases it or
- 17:16negatively meaning decreases it or there
- 17:21there is no agreement H such as the the
- 17:26relationship is a no relationship
- 17:30we found that 13 factors which are
- 17:33mostly located in these quadrants
- 17:36account for 60% of the
- 17:40tales and we also found that only two
- 17:43determinants two of the many
- 17:45determinants that play a role in
- 17:47defining
- 17:48vulnerability are analyzed by studies
- 17:51age and temperature
- 17:53magnitude these findings result from the
- 17:56dominance of the top- down approach I
- 17:59mean we need it but it is not enough
- 18:01that is our point we also found and we
- 18:04ma the cities covered in the studies and
- 18:08we found no surprise that most of the
- 18:11studies focus on the US and and
- 18:15Europe well we have found in in our ipcc
- 18:19reports that most of the
- 18:21vulnerability tends to be located
- 18:24here in
- 18:26summary we found that it is possible to
- 18:29identify patterns of vulnerability
- 18:31across
- 18:33cities uh and research appro and and
- 18:37also to make the city the the approaches
- 18:40the research approaches comparable which
- 18:43is a huge challenge for scientific
- 18:47progress to happen we also find found
- 18:50that knowledge has examined only certain
- 18:54aspects and that scale has been key in
- 18:56defining also why some aspects are
- 19:00neglected and this was the first time I
- 19:02was confronted with uncertainty Linda I
- 19:04couldn't believe it uncertainty given by
- 19:07the approach used that focuses on some
- 19:10things forgets others the methods and
- 19:13data and the scale of analysis we were
- 19:16able also to justify why an integrated
- 19:19approach is needed let me now move to
- 19:22the second example the organization
- 19:25Dynamics shaping risk
- 19:28our
- 19:30hypothesis states that a focus on only
- 19:34the urbanization exposure interactions
- 19:37is not enough to understand Urban
- 19:40risk first of all we need to really
- 19:43unpack
- 19:44urbanization second we also need to
- 19:47include in indicators of sensitivity and
- 19:50capacity what we did and I did this with
- 19:53a colleague a very young and promising
- 19:56scholar from Germany a g
- 19:59what we did was to use two indicators of
- 20:04urban urban levels or urbanization
- 20:07levels and er growth economic growth and
- 20:11two indicators of the rate of
- 20:13urbanization and economic growth we
- 20:16applied a hierarchical clustering anal
- 20:19cluster analysis to group countries in
- 20:2110 groups and we correlated
- 20:25these um numbers right these indicators
- 20:28with indicators of exposure such as
- 20:32populations in presence and in contact
- 20:34with affected by storms floods sea level
- 20:37rise and droughts sensitivity such as
- 20:41population
- 20:43undernourished dependency ratios and
- 20:46poverty indicators and indicators of
- 20:49lack of adaptive capacity such as the
- 20:54corruption perception index which in our
- 20:56countries um is very important you well
- 20:59also in the US it's very important
- 21:01access to Medical Services gender
- 21:04Equity access to
- 21:07education and quality of ecosystems we
- 21:12also use indicators around all all these
- 21:14and you will see that these indicators
- 21:15appear over and over in in our analysis
- 21:19what is what we
- 21:20found well let me just give you some
- 21:23highlights for sure we were able to
- 21:25create the oecd group which registers
- 21:29high levels of urbanization low levels
- 21:31of urban growth high levels of GDP per
- 21:35capita or GN per capita a low levels of
- 21:39economic growth we also have a typical
- 21:42case represented by southeast
- 21:45Asia with high levels of urbanization I
- 21:49I mean I think that China and India are
- 21:52on steroids there is no other way I can
- 21:55describe it for good and for not so good
- 21:57like
- 21:59so so again high levels of urban
- 22:03growth in this case there are high
- 22:06levels of urbanization but low levels of
- 22:08economic growth which really I mean
- 22:11these are indicators that that really
- 22:14get at at one of the two of the key
- 22:17elements of
- 22:18urbanization so we also found that
- 22:22rather than exposure sensitivity and
- 22:25capacity indicators contribute to
- 22:28overall risk and let me just show
- 22:31you how is it that we could test H prove
- 22:35this these are plots where we have here
- 22:38the in on the Y ax the index values and
- 22:41on the X the country groups and we found
- 22:45that in terms of exposure there's not so
- 22:49much difference between country groups
- 22:52that's not the case once we include
- 22:55indicators of sensitivity and lack of ad
- 22:58the capacity once we include those which
- 23:01are indicators of development or lack of
- 23:05once we include those then this group
- 23:08this group and this group are
- 23:10particularly
- 23:12vulnerable we also found that rather
- 23:15than organization
- 23:17levels it is a race of urbanization that
- 23:20influence
- 23:21risk of
- 23:23course I and this is what I summarize
- 23:26here right again rate of urbanization
- 23:29is more important is a a key driver of
- 23:33risk sensitivity and capacity indicators
- 23:36contribute more to over overall risk but
- 23:40let me tell you this is just the
- 23:42beginning of the
- 23:44conversation why because Urban
- 23:45Development is more than economics and
- 23:48more than demographics it's also buil
- 23:50environment characteristics is also
- 23:53governance and is also Equity so there
- 23:56is a lot of stuff to to to
- 23:59do and and I will give an example of how
- 24:03we address the links between social
- 24:06inequality and
- 24:09vulnerability in the city of Mumbai this
- 24:12is part of a an NSF P award I engage
- 24:17with and I'm really happy I did with um
- 24:21Jos Sperling I really learned a lot from
- 24:24you and by being with you Josh and I
- 24:26hope we stay together so
- 24:29um our hypothesis is similar to the
- 24:32prior one under current conditions
- 24:35current climate conditions poverty and
- 24:38capacity contribute largely to overall
- 24:42vulnerability why mbai India well I like
- 24:47large cities I guess no not not only
- 24:50that I mean Mumbai is one of the largest
- 24:5410 largest cities depending on the
- 24:57boundary we use to define the city it
- 25:00has between 18 and 22 million
- 25:03people it has high levels of risks of
- 25:07impacts from sea level rise Storm surges
- 25:10and flooding and that's why we did our
- 25:12field War during the flood during the
- 25:14monsoon and this risk results not only
- 25:19from
- 25:21hydrometeorological conditions that are
- 25:22changing with climate change it also
- 25:25results from Human Action a key element
- 25:28here is a huge Reclamation of large
- 25:31areas of what used to be seven islands
- 25:34of land just above sea level with many
- 25:38of these areas below the high TI level
- 25:41and just now we are mapping this this
- 25:45but I cannot talk about that just now so
- 25:48besides that the city is faced with high
- 25:51levels of inequality I am from Mexico
- 25:54City I'm used to deal with poverty I
- 25:57grew up in a poor neighborhood and I
- 26:00used to engage with how to address
- 26:02poverty but once I moved I started to
- 26:05work in Mumbai I say okay guys we need
- 26:08to address this issue the levels and
- 26:10qualities of poverty in Mumbai are
- 26:15special some data some indicators 70% of
- 26:19the population engages in the informal
- 26:22economy defined by the government H by
- 26:25as nonconforming with the regulations
- 26:29one out of four children is stuned an
- 26:33informality remember the formal and
- 26:36informal rules informality is a key
- 26:40institutional component
- 26:42defining social inequality in many ways
- 26:46informality is a state of regul
- 26:49regulatory flux and I know it from being
- 26:52with my mom when she was selling on the
- 26:55streets I mean where the legal and the
- 26:57illegal Al are up for negotiation
- 27:01contestation and
- 27:04Corruption and this informality has
- 27:06implications for for vulnerability as
- 27:09well because by not having access to
- 27:13secure land tenure many of these po
- 27:16populations are
- 27:18criminalized and do not have access to
- 27:21many sources of capacity such as
- 27:24infrastructures and
- 27:25services a key other finding and this is
- 27:28for kaspar who is not here kaspar Amon
- 27:32and I will share that we will see
- 27:34whether we can do something together
- 27:36although kaspar is already finding that
- 27:40heat waves will be a key Hazard facing
- 27:43City such as Mumbai the levels of
- 27:46penetration of air conditioning are very
- 27:48low of between 8% and
- 27:5212% equally important is the fact that
- 27:56the study the the analysis of the
- 27:59influence of wealth and vulnerability
- 28:02indicators offers a lot of
- 28:04methodological challenges not only
- 28:06because these are multi-dimensional
- 28:08Concepts I have been talking a lot about
- 28:10vulnerability but let me tell
- 28:12you poverty which is one expressions of
- 28:16expression of social inequality can be
- 28:18measured by income indicators expend
- 28:21expenditure indicators and assets
- 28:23indicators and each approach offers very
- 28:27different
- 28:29results um and I also found that again
- 28:32for you it's a present to you Linda that
- 28:35and certainty is a key challenge when
- 28:37dealing with this
- 28:41why to what is this challenge related to
- 28:44indicator selection to index
- 28:47construction and to an understanding an
- 28:50accurate understanding of the influence
- 28:52of indicators on on the outcome we want
- 28:54to explore and I want to give you here
- 28:56an example
- 28:59and I I I will use an
- 29:01image to study vulnerability we usually
- 29:05use the same ingredients more or less
- 29:07the same ingredients which are our
- 29:09indicators but the characteristics of
- 29:11the indicators vary across context or
- 29:14which
- 29:16context in Latin American cities such as
- 29:19Mexico
- 29:21uh access to improved toilet facilities
- 29:24is of the essence and it is mostly
- 29:27related to connection to the SE system
- 29:30in India Indian cities such as Mumbai
- 29:34besides
- 29:35that a key challenge is given by the
- 29:38fact that between 40 and 80
- 29:41households share these
- 29:44toilets that's that's I mean they justed
- 29:46to tell me but you are talking about
- 29:48climate change guess what this is our
- 29:50challenge how do we deal with
- 29:53that okay how did we address that well
- 29:57uh
- 29:58we develop again our indicators and
- 30:02um you I already have talk about
- 30:05indicators of exposure sensitivity and
- 30:07capacity I just want to say that we
- 30:10capture some indicators of Hazard impact
- 30:13such as the number of Hazards people
- 30:17experience households experience and
- 30:20whether they suffer a health impact from
- 30:24exposure to those I just want to insist
- 30:27that
- 30:28um we added these
- 30:31indicators which are access to material
- 30:34possessions and access to physical
- 30:37assets which in or Urban centers is key
- 30:40right and what we did was to combine
- 30:43qualitative methods meaning Knowledge
- 30:47from local experts with quantitative
- 30:49methods which allow us to embrace the
- 30:52subjectivity involved in Waiting
- 30:55indicators and to build and and we
- 30:58combine that with the FY logic to build
- 31:01a four household
- 31:05classes a the low moderate high and very
- 31:10high vulnerability class the first
- 31:13finding is not surprising 55% of our
- 31:17households are highly
- 31:19vulnerable and 28% are very highly
- 31:23vulnerable the two groups make 2/3 of
- 31:26the population that's not surprising but
- 31:28what is
- 31:30surprising is
- 31:32that a with the exception of the very
- 31:36high vulnerability class which is faced
- 31:39with very high levels of
- 31:44exposure the other groups the other
- 31:46household classes are faced with similar
- 31:50levels of exposure and what defines
- 31:53vulnerability are differences in poverty
- 31:56which increase
- 31:59yeah when we go from the low to the very
- 32:03high vulnerability class and with
- 32:05capacity indicators which decrease when
- 32:08we go from the low vulnerability to the
- 32:11very high vulnerability
- 32:14class let me just really tell you a
- 32:16little bit more about the capacity
- 32:18indicators which really
- 32:20Define not not only access to assets but
- 32:24also agency which for us social
- 32:26scientists is so key because people do
- 32:29not only receive hazards and say oh let
- 32:32me go and be killed no people are active
- 32:35and they they really are very creative
- 32:38okay so we found that in terms of
- 32:41awareness and priority given to
- 32:44mitigation risk mitigation and
- 32:46adaptation
- 32:47policies our household classes are more
- 32:50or less
- 32:51similar but we also found that and this
- 32:55is a finding that is similar to what we
- 32:57found in the other for Latin American
- 32:58cities I have
- 33:02studied while the very high
- 33:04vulnerability class is very likely to
- 33:08rely in family support and neighborhoods
- 33:10to respond to
- 33:12emergencies the other classes are very
- 33:16highly likely to use social networks
- 33:19such as Nos and religious
- 33:23groups well the education assets are
- 33:26really related to class to so soci
- 33:29economic status not surprised but
- 33:31interesting and this is important for us
- 33:33at
- 33:35Anar the with the exception of our very
- 33:39high vulnerability class the other
- 33:41classes are very likely to use warning
- 33:44sources such as TV and radio to inform
- 33:48themselves about risks this
- 33:52is a very challenging table and I'll see
- 33:57whether
- 33:58you like it this time um
- 34:02so there's so much conversation about
- 34:05thresholds or points after
- 34:07which a heat waves move from some
- 34:11conditions to the others right what we
- 34:14did with this figure which is only one
- 34:16example of three we are
- 34:18working with what this figure shows are
- 34:22threshold points for capacity and
- 34:25exposure as we move from
- 34:29high to low
- 34:31capacity a point or some points are
- 34:34Reach In which levels of vulnerability
- 34:37start to ramp up we move from one regime
- 34:41to another regime likewise when we move
- 34:45from low exposure to high exposure
- 34:49levels in each case a a level is
- 34:53reach H at which further increases do
- 34:57result in high higher
- 35:00vulnerability um
- 35:02regimes but what is interesting and this
- 35:05is really bringing me back to one
- 35:07hypothesis I I love so much which is the
- 35:10the idea that also the rich will be at
- 35:12risk and why is that important because I
- 35:15have seen that historically only when
- 35:17the wealthy are affected they take care
- 35:19of things so there is also a point at
- 35:24which and this is our next regime there
- 35:28is also a point at which increases in
- 35:29exposure affect populations equally
- 35:32across capacity
- 35:35levels to summarize under current
- 35:38climate conditions poverty and capacity
- 35:41indicators contribute largely to
- 35:44households overall
- 35:46vulnerability another important
- 35:48conclusion is that these methods which
- 35:50are really a combination of qualitative
- 35:52and quantitative methods are key and
- 35:56complement what we do here enar in that
- 35:58they capture the multi-dimensionality
- 36:01and uncertainty in vulnerability and
- 36:03risk analysis help us evaluate the
- 36:06contribution of wealth sensitivity and
- 36:09capacity indicators and what is very
- 36:12important they help they support policy
- 36:14interventions that Target attributes
- 36:17under different combinations across
- 36:20household classes let me close with some
- 36:25conclusions and some consideration of
- 36:28what could be done with this area of
- 36:33research I'm convinced that both
- 36:35approaches are needed both approaches to
- 36:38risk are needed one sheds lights on some
- 36:42aspects but is not enough either one
- 36:46even if it is social science or physical
- 36:47sciences that are coming together to
- 36:49address this issue we need to combine
- 36:52qualitative and quantitative methods
- 36:55only by being and doing fre work and
- 36:58interviewing people and listening to
- 37:00them and going to meetings and going to
- 37:02meetings and going to meetings we get
- 37:04the trust we need to really get to
- 37:07understand the role of power the RO the
- 37:09role of governance and how people really
- 37:12feel whether their interests are taken
- 37:15care of I mean I have some quotes of how
- 37:18people from lowincome areas in
- 37:20buenosaires Mexico City Santiago and and
- 37:24and bota are aware of the fact that
- 37:26without
- 37:28governance without governmental support
- 37:30they won't be able to make
- 37:32it equally important is the fact that
- 37:35and this is something uh I I I will
- 37:38include in another paper addressing some
- 37:41other data about Mumbai the economics of
- 37:44this are key and why are they key
- 37:47because you need also an economic
- 37:49threshold in terms of levels of a a
- 37:52income City authorities need to invest
- 37:56in things
- 37:58and when you have high levels of
- 38:00informality you don't get that those
- 38:02sources of income and that you only
- 38:04understand if you go to to the places
- 38:06and listen to people and you combine all
- 38:09these with quantitative methods and um
- 38:12and also you you you learn to be humble
- 38:14about things right so I hope I was able
- 38:18to show how multiple scales bring shed
- 38:22light on different components of
- 38:26vulnerability and resilience
- 38:28and also how some patterns cut across
- 38:31scales right that's interesting I was
- 38:33like wow I cannot believe it huh wealth
- 38:35and capacity indicators contribute at
- 38:38least in in in in in Mumbai I think also
- 38:41in other cities contribute more to
- 38:42overall risk and vulnerability than
- 38:45exposure
- 38:46indicators it's true that that might
- 38:48change and it's already starting to
- 38:51change and a changing
- 38:54climate before I go to the Future
- 38:57directions I want to insist that I only
- 38:59present our work on this theme It Is by
- 39:04working on the three themes that I have
- 39:05been able to find other connections and
- 39:08I will refer to those um what can I say
- 39:12about future
- 39:14directions first of all it's really
- 39:17important to
- 39:18unpack the key dimensions of Orban
- 39:21development we already have some work
- 39:24dealing with demographics and economics
- 39:27we need to also deal with governance
- 39:29indicators with buil environment
- 39:31indicators such as
- 39:33infrastructure the quality of housing
- 39:36for instance in in in um Indian cities
- 39:40having a separate cooking space is key
- 39:43that's not the case in in Latin American
- 39:45cities we we we already have that so and
- 39:50we also H
- 39:52need a social indicators such as
- 39:55inequality indicators and I think that
- 39:56in this context where everyone around
- 39:59the world is starting to say enough
- 40:01inequality has increased we need to also
- 40:04address issues of
- 40:06inequality
- 40:08er a another important point is the
- 40:12issue of thresholds and tipping points
- 40:14and and let me tell you a threshold is
- 40:18defined as a point at which one Rel
- 40:20relatively stable so eological
- 40:23H and governance regime gives what way
- 40:27to
- 40:28another what is interesting is that
- 40:31while sociological thresholds are
- 40:33contingent upon the interaction among
- 40:35physical hydroecological and social
- 40:38processes governance thresholds are an
- 40:42integral to the way societies work which
- 40:45limits contingent upon ethics meaning
- 40:50values politics knowledge and culture
- 40:53and politics meaning power so
- 40:59I want to move forward and I'm working
- 41:02on that with a colleagues from the
- 41:05future Earth Urban
- 41:08platform U which is transitioning into
- 41:11future
- 41:12Earth and what we want to
- 41:15do I know it's crazy but what we want to
- 41:18do is to connect the problem space with
- 41:22the solution space and what I mean by
- 41:25that is that we social scientists
- 41:28physical scientists engineers tend to
- 41:31always focus on okay how urbanization
- 41:34comes together with haard and
- 41:36institutions to drive risk and
- 41:38resilience that's nice but once we come
- 41:41to decision makers they say well what do
- 41:43I do with all this information well we
- 41:46also need to understand how people make
- 41:48decisions and I see ourselves inerting
- 41:51our groups in this solution space but
- 41:55what we need to do is to understand what
- 41:57whether there is a fit or lack of fit I
- 42:00think there is a lack of fit between the
- 42:02two
- 42:03domains and we are studying that in in
- 42:06two projects one is called unicorn
- 42:09urbanization water management and flood
- 42:11Race Across mountain regions I'm working
- 42:14with Andy monagan on that and we are
- 42:16waiting to see what we will whether the
- 42:19Belmont Forum will U award our proposal
- 42:23and with
- 42:24unmask uh a proposal on urbanization
- 42:28food energy water systems and extreme
- 42:30hazard risks that we will submit and so
- 42:35besides working on this H well I I'm
- 42:39working with siia which help me on and
- 42:42we try to understand uncertainty noral
- 42:44vulnerability and risk um Linda MS is
- 42:48our Mentor in this so I mean these are
- 42:52again just some examples of future
- 42:55directions I wouldn't like to finish
- 43:00without saying that my ideas wouldn't be
- 43:05possible without the
- 43:08beautiful projects and collaborations
- 43:10and partners I'm engaged with in Anar at
- 43:14Anar they are with
- 43:16red um in the
- 43:19US and globally without them I wouldn't
- 43:22be able to be challenged particularly if
- 43:25engineers and physical scientists
- 43:26challeng me and I want to kill them but
- 43:29next day I say I need to see how to do
- 43:32this they are right and let me get it
- 43:35okay so I also want to really thank my
- 43:39posts I mean I call them mine but they
- 43:41are not mine um because they also have
- 43:44been a source of inspiration for me they
- 43:47always have good ideas they come with
- 43:49interesting stuff and um I also want to
- 43:52thank them for for for being part of
- 43:54this I also want to insist that
- 43:58many components of what I do are the
- 44:02result of awards but others are the
- 44:04result of just sitting together after
- 44:06meetings and saying hey I listen to what
- 44:09you say why don't we do this for
- 44:10instance the survey we conducted in in
- 44:13Mumbai was the result of a collaboration
- 44:15with Indian Partners who were conducting
- 44:18an atmospher in campaign field campaign
- 44:21they had 90 students they said if you
- 44:23train my students we conduct the surveys
- 44:26I said voila I'll do it so there is a
- 44:29combination of many things involved here
- 44:32and again I want to thank them and thank
- 44:34you for taking the time to be here with
- 44:37me
- 44:39[Applause]
- 44:45y all right so Pat I'll let you uh
- 44:48choose who you who you want to answer
- 44:50the questions from so we'll open it up
- 44:51to questions from the audience
- 45:04hi I'm Daniel uh from atmosphere
- 45:06chemistry um very inspiring talk I I
- 45:09really like the this the slide about the
- 45:13um moving the solution space into the
- 45:15problem space or more connections do you
- 45:17have any um examples of what that would
- 45:19look like uh specifically or any um
- 45:23situations where you've seen a shift
- 45:26happen
- 45:28right in uh my work on governance I
- 45:31learned that there are always Misfits in
- 45:35terms of the scales the spatial and
- 45:38temporal scales at which a vulnerability
- 45:41and risk operate and the temporal and
- 45:44special scales at which decision makers
- 45:47operate I give you an example for water
- 45:50management you use the basing I mean as
- 45:53a researcher right well decision makers
- 45:56have made I mean there are some
- 45:58exceptions to that but usually they have
- 46:01many
- 46:03jurisdictions coming together to deal
- 46:05with that Basin and they overlap they
- 46:09are fragmented Etc that's a problem of
- 46:11fit another problem of fit is given by
- 46:14the fact that usually decision makers
- 46:16work at a a temporal scale that goes
- 46:19from I mean if you are lucky 10 10 years
- 46:22are the maximum well many processes we
- 46:25are dealing with here
- 46:27our 50 years process processes for
- 46:30instance just now even if we were able
- 46:33to mitigate to to introduce mitigation
- 46:37policies and move us to a trajectory a
- 46:404.5 trajectory right in the right
- 46:43whereby we could reduce uh bring our
- 46:47temperature to 1.5 to2 even if we were
- 46:49able to do that the effects of what we
- 46:52will do will be manifest in 50 years
- 46:55many decisions decision tell me py I
- 46:58want I'll be here for 3 years what are
- 47:00you talking about so those are two
- 47:02examples but now under a changing
- 47:05climate there are two other issues of a
- 47:08pit that I want to work with one is
- 47:11thresholds meaning are we
- 47:14really identifying thresholds or
- 47:17not and cascading effects and what
- 47:21happened with the flats in 2013 here in
- 47:24bould is an example of that I mean the
- 47:27the the the impacts of the flats were
- 47:29not only the result of the the huge
- 47:31amount of precipitation we receive but
- 47:35it was those were also the result of
- 47:37some areas some ecosystem areas not
- 47:41working as multiple use areas such as
- 47:46the the the walking and and biking
- 47:49spaces we have invol there that during
- 47:52Flats can also help you mitigate the
- 47:55impact of flats that together with how
- 47:58people act and operate creates a series
- 48:02of effects that we call cascading
- 48:04effects that perhaps we are not ready to
- 48:06deal with so what I consider is that we
- 48:08need to add those two to our efforts to
- 48:12support decision makers and to engage
- 48:15with them and learn from them I'm sure
- 48:17they will talk about more but I I really
- 48:19think we need to bring those spaces
- 48:22together to really connect the dos
- 48:30yeah yeah
- 48:37okay so uh there's a lot of unauthorized
- 48:40Construction in some of these cities how
- 48:42do you get data and things like that for
- 48:45for what again unauthorized
- 48:47constructions well you know uh there are
- 48:49some methods one is a participatory GIS
- 48:53approach whereby you go with people I
- 48:56mean before the gis we did it by
- 49:00working is problem it's in general a
- 49:03problem so I mean you can use
- 49:06participatory GIS now but when I used to
- 49:09do it we just work with people and we we
- 49:11we really H SW sweep around around
- 49:15places and they started to say look this
- 49:17area is not acknowledged but we have so
- 49:19many houses here Etc so there are many
- 49:22approaches and now again the gis is
- 49:24really making us do things but what is
- 49:27important is you might have all this
- 49:29information if decision makers don't
- 49:32want to listen to you believe me they
- 49:34won't listen to you so the challenge is
- 49:37how you frame issues in such a way that
- 49:40you can engage with them and that's not
- 49:43a challenge of us telling you know
- 49:45decision maker you are not getting it
- 49:47because they will say you know what go
- 49:49away I cannot you know you really need
- 49:52to for instance with Josh we we are just
- 49:55now analyzing our interviews in in
- 49:57Mumbai we were looking for climate
- 49:59change policies and we found development
- 50:01policies that are driving
- 50:04risk
- 50:06so
- 50:12back vi from uh
- 50:14U uh next yeah here before that yeah
- 50:19okay in the fourth one you say wealth
- 50:21and capacity indicator contribute more
- 50:24than exposure indicators could you
- 50:26differentiate between those two what
- 50:28exposure indicators you meant are they
- 50:30both connected somehow right I will
- 50:33um let me give you examples here
- 50:38a capacity indicators
- 50:41include such factors such as education
- 50:45we have found that people who are
- 50:46educated are more a more able to look
- 50:50for sources of information to respond to
- 50:52challenges and
- 50:54Hazards and also ask access to
- 50:57governmental support in general and
- 51:01during emergencies and access to family
- 51:04members to community Grassroots to H
- 51:09Church
- 51:10organizations ER
- 51:12which are elements of socio
- 51:15institutional capacity and last but and
- 51:19equally important are also indicators of
- 51:22information how people perceive risks
- 51:25and whether they use the TV the internet
- 51:28or not to respond to hazards to to to to
- 51:32to respond to early warning systems are
- 51:35key elements defining vulnerability and
- 51:38then in terms of exposure and
- 51:41sensitivity a people wouldn't be
- 51:45vulnerable if they were not not exposed
- 51:48to something you know you need to be
- 51:50exposed to a heatwave to a flat to be
- 51:53vulnerable okay so we measure that
- 51:57by asking
- 51:58people to which H heat waves air
- 52:02pollution and other hazards they have
- 52:03been exposed and whether they can
- 52:05identify impact levels and health
- 52:09outcomes from that exposure and we have
- 52:13found in the literature and in our prior
- 52:15work that the elderly for instance are
- 52:17more sensitive to heat waves and that um
- 52:21women are more sensitive to Flats in
- 52:25some areas particularly because they
- 52:27cannot go out they need to to I mean
- 52:29there are cultural issues that constrain
- 52:32them so and prexisting medical
- 52:34conditions if you already have a hard
- 52:37condition it will be very hard for you
- 52:39to deal with a heatwave so those are the
- 52:43exposure capacity and wealth indicators
- 52:46we use so what we
- 52:49found again is that in terms of exposure
- 52:53which we have here these are our index
- 52:55values average index values and we have
- 52:59levels of uncertainty by the way ER in
- 53:02terms of that many of the households we
- 53:06interview are more or less equally
- 53:08exposed with the exception of the very
- 53:11highly vulnerable household that's not
- 53:13the case when you include indicators of
- 53:16capacity the more vulnerable you
- 53:19are the less capacity you have remember
- 53:23those that we use and then the poorer
- 53:26you are the more vulnerable you are so
- 53:29that's that's why we concluded that
- 53:31thank
- 53:33you
- 53:40MH Marcus mench um have you thought of
- 53:44uh taking and adding into your kind of
- 53:47re key research issues the question of
- 53:51surprise because I think in terms of
- 53:54thresholds and uh both the Cascades
- 53:58where the relationship between kind of
- 54:01wealth capacity might come apart is when
- 54:04you have things that are outside and the
- 54:07boulder floods might be an example of
- 54:08that on a small scale right yes and
- 54:11that's why as you can see here
- 54:14independently of Your Capacity levels
- 54:17once you reach the point8 level of
- 54:20exposure then you you are at risk
- 54:27so
- 54:29um this is something that I already have
- 54:32been talking about when dealing with
- 54:34exposure to air pollution and H
- 54:37particularly atmospheric modelers really
- 54:39pay a lot of attention to this and in
- 54:42our analysis of thresholds and cascading
- 54:45effects we are including the issue of
- 54:47surprise but again this is a project we
- 54:49are to to start so yeah we are including
- 54:53that but that's a very important H
- 54:55comment
- 55:01so following on does that um go into the
- 55:04exposure index then the
- 55:06surprise yes you know and yes it is here
- 55:10and you know it it was interesting in in
- 55:13three cities of Latin America
- 55:15Santiago bota and Mexico we run some Pon
- 55:20regressions to ex to examine the links
- 55:23between exposure to a pollution and
- 55:26Health outcomes we use mortality
- 55:28indicators which are extreme by the way
- 55:30that's a caveat with that and then we
- 55:32correlate that with special data
- 55:34vulnerab on vulnerability indicators and
- 55:37we found
- 55:38that a exposure I mean impacts from
- 55:41exposure to air
- 55:43pollution in these
- 55:46cities cut across a socioeconomic status
- 55:50only air pollution and I'm only talking
- 55:53about extreme impacts um we are also
- 55:56aware of the fact that these H wealthier
- 55:59households have a lot of assets to
- 56:01respond but still I mean I think that we
- 56:05need to start pointing to the fact that
- 56:08wealthier populations are not
- 56:19spared all right thank you for joining
- 56:23again once thank you oh Linda sorry
- 56:27you Blended I blended in as usual um on
- 56:31Linda MS from enar um it's a probably a
- 56:36tricky question to answer this late in
- 56:38the time but I wonder if you could
- 56:40succinctly uh I think the audience would
- 56:42probably be rather interested in some of
- 56:45um your activities at cop 21 in terms of
- 56:49the side event of cities if there's a
- 56:51few pearls that you could throw before
- 56:55the audience yes I I work together with
- 56:58Cynthia roseni and we put together a
- 57:01synthesis book a report on cities and
- 57:04climate change and what we did was to
- 57:06engage with stakeholders and to really
- 57:09uh uh also made them part of all these
- 57:11synthesis efforts where we did not only
- 57:15explore what will happen with climate
- 57:17hazards but also how authorities are
- 57:20responding to these problems in the
- 57:23water Health uh build environment I mean
- 57:26in many sectors but what was interesting
- 57:29was that um we really or is that we have
- 57:33been engaged with the the Covenant of
- 57:35Mayors and with the eay and with key
- 57:39authorities that are really addressing
- 57:41these issues at the global level but is
- 57:43also nice is that I am involved with the
- 57:46city of Boulder uh I'm going to their
- 57:49meetings learning a lot from them and we
- 57:52are having a very nice dialogue about
- 57:54the cup so there are many things that
- 57:57are going on and I'm very excited about
- 57:59them and and and what we could do here
- 58:02at Anar to inform those
- 58:08decisions all right with that I think
- 58:11we'll close today again thank you Patty
- 58:13and thank you for
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