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Topic 1 Introduction to Environmental Science — Transcript

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0:12okay hello class good day
0:15welcome to our first topic in
0:18environmental science so
0:20in this discussion i am going to discuss
0:24the introduction to environmental
0:27science so i hope you are prepared to
0:30listen in this and in this discussion
0:34and
0:35sit back and relax and i hope you will
0:38learn a lot
0:39okay so please
1:08i think you are ready
1:09okay so
1:11let me start with uh
1:13with the
1:16outline of the things that i am going to
1:19discuss in this and a recorded video so
1:22first of all where i'm going to discuss
1:24the nature of environmental science
1:27the second will be
1:29why do we need to study environmental
1:30science is it
1:32relevant to your life to your course
1:44do we need to study environmental
1:46science okay so another
1:49another topic that i'm going to include
1:52here is that the different environmental
1:54ethics so anubayou ethics then agogovern
1:57when it comes to environment
2:00okay so another uh interesting topic is
2:03the environmental attitude so what are
2:06the different environmental attitudes
2:08that we must have
2:10okay
2:11so and lastly i am going to discuss the
2:14different environmental principles okay
2:17so
2:19so far
2:20these are the interesting topics that
2:22will be included in this on our video
2:25discussion so i hope uh madame
2:29and let's begin
2:31okay so let me start with the nature of
2:34environmental science so
2:36this will be the the first part so the
2:39nature of environmental science so first
2:42of all
2:44um what is environmental science so to
2:47for us to be able to understand what
2:50what is our subject is all about we need
2:53to
2:54define first or we need to discuss first
2:57the nature of environmental science so
3:00so far
3:02environmental science is an
3:04interdisciplinary field
3:06okay that includes both scientific and
3:09social aspects of human impact on the
3:12world so pakistan interdisciplinary
3:16hindi
3:30is interdisciplinary
3:39this environmental science also includes
3:42both scientific okay and social aspects
3:46hindi more unscientific
3:49social aspect when it comes to them to
3:51our impact
3:52we are human beings
3:56environments
4:03so that is environmental science
4:06also this is the study of the
4:08interaction of earth's system and human
4:11system so this is one of the most
4:13interesting definition of environmental
4:15science because indeed okay this subject
4:18you will you will realize in this
4:20subject that uh the different earth
4:22system okay is really interacting with
4:25the human system so
4:29earth system and human system young
4:31environment
4:33okay so again parameters maintain the
4:35anatomy of nature and environmental
4:37science we need to define these two
4:39important terms first of all the term
4:42environment okay
4:44so
4:46the term environment and second the term
4:48science
4:49maintains
4:52and let us define those terms so first
4:54of all vaccinating environment
4:57it refers to the surrounding condition
4:59conditions
5:01that affects organisms so
5:05everything that affects you living money
5:08or non-living okay so that is considered
5:11as environment so
5:14through your an entire life so you're
5:17new to natalie environment okay it is
5:20everything that affects an organism
5:22during its lifetime okay
5:30so those are considered as environment
5:32so
5:33nothing science okay so
5:36uh this is not new to you because
5:38elementary palance
5:41science but we need to or not to review
5:43what is science so sabidito science is a
5:47process used to solve problems or
5:50develop an understanding of nature that
5:53involves testing possible answers so
5:56boxing abina thinks
5:58now
5:59okay it undergo scientific method so i
6:02know you are aware with the processes of
6:04scientific method
6:18in order to understand the nature of
6:21something or of the problem that you are
6:23currently studying you need to test that
6:27possible answer so that is science okay
6:32i know
6:33science is a process of building
6:35knowledge scientific knowledge uh
6:37specifically to solve problems so but
6:40been examinating
6:42okay through science we will be able to
6:45to study the environment
6:50combination
6:52so in this subject i know you will learn
6:55more more a lot about the environment
6:58okay about luna environment nagina
7:02so
7:03let me continue
7:04another is that
7:06environmental science that is a mixture
7:09of traditional signs
7:11individual and societal values economic
7:13factors and political awareness that are
7:16important to solving environmental
7:18problems
7:22environmental science is an
7:23interdisciplinary
7:25hindi language environment in the
7:28science
7:29it's a mixture of science society
7:33economy
7:35politics again
7:37my encounter encountered
7:40about chemistry physics and biology
7:44laws engineering and so
7:47ethics and
7:49so
7:50this subject is an encompassing subject
7:53okay
7:54interesting
8:02it involves an understanding of
8:03scientific principles economic
8:06influences and political actions
8:27especially environmental law without
8:29undergoing an undergoing scientific
8:31method okay and then yuma decisions
8:36affects
8:37i think economy so once namak decided
8:40among political leaders
8:45it will definitely affect us okay as
8:48part of the of the society okay
8:52um but this is a very interesting and a
8:56subject okay so
8:59a decision may be supportable from a
9:01scientific or economic point of view may
9:04not be supportable from a political
9:06point of view without modification so
9:09there are decisions now bro
9:13environment okay
9:19okay for example
9:21in paguai dining
9:23so in a political point of view that is
9:26good okay that is all right but in the
9:29in terms of environmental view or
9:31scientific view of hindi hindi
10:11okay so
10:13we will and i will discover those okay
10:16so another
10:20um
10:21also
10:23environmental science is the study of
10:25interaction of earth system and the
10:27human system so at the homeroom
10:30for actually there are four earth's
10:32environmental systems we have the air
10:34water land and life so so far at the um
10:38environmental systems
10:43iron water you know big
10:57those are considered as environmental
10:59systems
11:02we are also systems
11:11environmental science from time to time
11:14we will use the word system because
11:18that is the interaction with es is an
11:21interaction of earth system and human
11:23system so from time to time
11:31one of the most unique nature of
11:34environmental science is the world
11:36interrelatedness
11:38so this word
11:40is a core concept environmental science
11:42so
11:43uh as we go along with our discussion
11:46the uh there are all there are different
11:49variables
11:52the high degree of interrelatedness
11:55among seemingly unrelated components is
11:58a central factor that makes the study of
12:01environmental science so interesting so
12:04first
12:05um frustrating and at the same time
12:08challenging sodium
12:10my dear students
12:20connected an atmosphere okay
13:01[Music]
13:08okay
13:09we will utilize the ecosystem approach
13:12approach nato
13:14so ecosystem approach is an important
13:16approach in dealing with environmental
13:18problems so sabirotito
13:21when talking about environmental
13:23problems and approach nato is very
13:25suitable
13:26okay so environmental science involves
13:29an understanding that the natural world
13:32is organized into interrelated units
13:36called ecosystem so etude
13:40is an environmental science for us to be
13:43able to understand young natural world
13:46nagina galawan
14:21that is why um the ecosystem approach is
14:24very uh suitable in our subject
14:44ecosystem is a region in which the
14:46organism
14:48and the physical environment form an
14:50interacting unit so taiyo we're an
14:53example of organism okay so we are and
14:57we are interacting with our environment
14:59so
15:00interact and static environments among
15:03plants animals
15:05okay uh we somehow we are and we are
15:10moving in an ecosystem okay
15:13a level level
15:14ecosystem then hang on
15:17ecosystem
15:18as a picture so this is an example of
15:20ecosystem i am a living things my modern
15:23living things i am so
15:27yeah
15:28so within this region there is a complex
15:31network of
15:33interrelationship so
15:54clouds again so those are examples of uh
15:58interrelationships interconnectedness
16:06at the end of this semester
16:09i connected
16:11so anything
16:14variable will have will definitely have
16:16a dominant effect to other variables
16:19okay so my papacy
16:35we'll be using the term systems
16:41system okay so it is a group of
16:45interacting
16:46interrelated and
16:48interdependent parts or components that
16:51form a complex and unified whole so
16:55what's
16:56in system
16:58it's a group
16:59okay group group
17:01okay
17:02interact
17:10okay so i have a question here can you
17:13think of a system an example of system
17:16saying i'll give you one one minute okay
17:19so in this video i'll give you one
17:20minute now seconds long to think of the
17:23different examples of system so in our
17:26next and a synchronous class okay so
17:29tata in
17:31what are the
17:32examples of systems that you know
17:35okay so
17:37i will give you you can write down your
17:39answer in your notebook
17:43during our synchronous schedule okay so
17:47parameters
17:50i have here
17:51so for example our life so in a very
17:54simple example
17:56is considered as a system
18:07[Music]
18:09the home where we are i know where we
18:12are
18:14staying
18:15young family
18:17and young school life
18:19so
18:21work religion home and family
18:25parks
18:26okay so
18:41okay
18:46probably
18:49so that is an example of interacting
18:51parts
18:52also these are interrelated
19:50it will somehow manifest your your
19:52belief your religious belief
20:00is
20:03[Music]
20:46the second question why the
20:48environmental science is considered as a
20:51system
20:58or the earth's environment is considered
21:00as a system okay so here first of all
21:03the the first and the first
21:07um
21:08justification that earth can be
21:10considered as a system because it is
21:11composed of several components which are
21:15interacting to shape our current and
21:17future environment
21:27interrelated
21:41those are examples of components
21:59different components or earth's
22:01component okay so that's one of the
22:04reasons why earth's environment is
22:06considered as a system also
22:09it is a single system
22:11consisting of smaller interconnected sub
22:15systems take note of the word
22:18environment
22:23okay it is considered as a single system
22:27okay
22:29smaller
22:31parts which are interconnected okay and
22:34then
22:35nothing subsystems
22:37okay so another reason is that it is an
22:40integrated system but it can be
22:43subdivided into four main components
22:46okay so integrated system
22:52components
22:55into four main components so
22:57here it is
22:59so the what uh the next question now is
23:01what are the components of earth's
23:02environmental system okay so the one
23:05encounter in your battle and pre-test
23:32okay the solid part of the earth and we
23:35have here hydrosphere for water and
23:38lastly you biosphere for life so um
23:43your atmosphere lithosphere and
23:45hydrosphere they are interrelated with
23:48each other
23:56[Applause]
24:04[Applause]
24:12[Music]
24:15these components are interacting with
24:18each other to shape our current and
24:20future environment so atom components
24:23nato my dear students
24:29for example
25:12so
25:13this indeed these components are
25:15interacting with each other so isa yoon
25:18is uh this is a manifestation or this is
25:20uh
25:21um reason okay
25:26our earth's environment can be
25:28considered as a system
25:31of parts which are interrelated
25:34interconnected and interacting with each
25:36other okay so
25:39mustang
25:40again
25:50introduce you to a very powerful
25:52approach okay the word is systems
25:55thinking
25:56okay so this is an approach
26:01okay last previous
26:03semester
26:08in studying environmental science so
26:10another system is thinking
26:12so we will try to understand and
26:15visualize how these components interact
26:18so
26:36we're going to use system the word
26:39system because it's very important in
26:41the field of environmental science so
26:43what is this systems thinking then okay
26:46so
26:48systems thinking is a way or an approach
26:51of understanding your day-to-day world
26:54or your environment
26:56okay that emphasizes the relationships
27:00among a systems parts rather than the
27:03parts themselves
27:07thinking though is an approach
27:52[Music]
27:57thinking offer you a powerful new
28:00perspective okay a specialized language
28:04and atimpina
28:06it offers you a set of tools
28:09okay that you can use to address the
28:12most confusing problems in your everyday
28:15life
28:16work and your environments
28:28okay
28:44i will teach you how to utilize systems
28:47thinking as an approach okay
28:53okay because i am developing a model
28:56okay so as part of my study i'm
28:58developing a model i know um focusing in
29:01this approach the systems thinking
29:03approach
29:06potential
29:09in helping students to understand
29:12problems in their everyday life in the
29:14work environment and
29:17the earth as a whole okay so
29:20approach nato okay so for the next
29:24question i am so take note
29:27during our synchronous class um
29:33okay i'll be asking i know of course
29:35relevant questions
29:37and are related to this another this
29:39video discussion so
29:42okay so keep on watching okay so
29:46okay so we need to answer this first
29:48dino let me continue
29:51why we need systems thinking in studying
29:53environmental science
29:59okay systems thinking utilizes a variety
30:01of tools
30:02that help make thinking visuals
30:34interconnections interrelatedness and so
30:37by using methods
30:39to take our thinking and reasoning
30:41outside of our minds and into a form
30:44that we can see and easily share with
30:46others
30:58you can easily okay
31:00you can easily share it with others say
31:03my dear students
31:09without putting it in a paper okay or in
31:12any medium
31:15s
31:24so we can better understand
31:26uh current behaviors of a system and
31:29ways to operate within a system to
31:31create a desired change so for example
31:35my problem
31:36was
31:37okay using the different systems
31:39thinking tools and you will be able to
31:41solve that problem alright
31:43systematically
31:45okay so maintain behind
31:47as we go along with our discussion so
31:50for now this is just an introduction
31:52about the approach that we are going to
31:54i know about the opportunity we are
31:56going to utilize in this subject okay so
31:59let me continue so i think that's a big
32:02example
32:03so by the way this is an output high
32:05output internal students
32:07and the last semester
32:10connections
32:26human population growth so deforestation
32:28rate ions carbon dioxide emission some
32:32global warming climate change natural
32:34calamities biodiversity loss food
32:37shortage hunger health problems and
32:38gangum alexa death rate okay
32:45these are variables in our environment
32:48so using the systems thinking tools
33:13[Music]
33:35natural calamities a food
33:37and young air pollution's a death rate
33:40and so you
33:42know
33:43human population growth climate change
33:46interconnection
33:50is thinking in in studying environmental
33:54science
33:56interconnections
34:00okay so interestingly
34:02i know i will not just learn the the
34:07the concepts but you will also learn
34:10their and their relationships okay so
34:13i'm so excited to
34:16teach you how to make this diagrams okay
34:20so again so we come now to the second
34:23part i am so i hope you are still with
34:26me so the second part of this uh
34:29discussion is all about the reason why
34:32we need to study environmental science
34:37environmental science so first of all
34:40as of now okay i want you to to imagine
34:44okay so
34:49so imagination is the highest form of
34:52knowledge so i would like you to imagine
34:55so as of now the global human population
34:58is around 7 billion
35:00can you imagine that seven billion yeah
35:03so the earth is now serving seven
35:05billion people
35:07okay
35:11okay
35:12okay so can you imagine how earth is
35:15carrying all of us
35:17seven billion
35:20on earth
35:21okay so
35:24can you imagine if all the things that
35:26we've been doing will be summed up
35:42okay so this is one of the reasons why
35:45we need to study environmental science
35:51i think mother earth
35:53environment
35:54okay
35:56also
36:10okay so the human population growth is
36:12inevitable okay the other thing kuta is
36:168.5 billion
36:18hang gangs are 2050 magikin
36:209.7 billion okay but the thing uh
36:34as the population of the world has grown
36:37and the exchange of people and goods
36:40between countries has increased
36:43population growth
36:53many environmental problems have become
36:56global in nature
37:04for example
37:06super polluted
37:24[Music]
37:32okay so that is directly related the
37:35higher the human population the higher
37:37the environmental problems
37:40okay so another here
37:44is
37:53to understand how nature works so by
37:55studying environmental science my dear
37:58students
38:02mother nature okay
38:04also to understand the various
38:07interactions of the different components
38:10of our environment so we need to study
38:13environmental science para maintenance
38:43okay and also to find out how humans
38:47affect our environment so connected to
38:49those
38:50uh i don't know human population growth
38:57environment
38:58okay
39:00so
39:01these are the effects okay i will show
39:03you pictures of the effects that of what
39:06we have done for the past years so etuba
39:09again so these are some of the
39:11environmental issues we have now climate
39:14change air pollution
39:19as of now
39:26i
39:35[Music]
39:54environment
40:00can we do something to at least i know
40:03at least um save our mother earth
40:07mother earth is
40:08really dying that he'll do something
40:10happiness
40:11and for the past years
40:13okay so
40:15another reason okay we need to study
40:18environmental science for a sustainable
40:20future okay so my question mark cam
40:23sustainable future okay
40:27nothing sustainable future nato okay
40:32next generation
40:34s
41:08what will be the effect of that in the
41:09long run okay so we need to study
41:12environmental science for a sustainable
41:14future
41:15and parameter and we need to study the
41:18third part of this discussion so we need
41:21to study the different environmental
41:23ethics
41:25environmental ethics
41:32what is environmental ethics so first of
41:34all we need to define what is ethics
41:36okay so pakistan ethics it is a branch
41:40of philosophy
41:43environmental science is an
41:44interdisciplinary field hindi language
41:46environment
41:54okay which is a branch of philosophy
41:57that seeks to define what is right and
41:59what is wrong so young ethics
42:07so
42:08this can help us to understand what
42:12actions are wrong and why they are wrong
42:15so human ethical ethical consideration
42:18okay human ethical considerations
42:39so this can be very complicated yes it
42:42will be
42:49[Music]
42:54ethical issues
42:55dealing with the environment are
42:57especially complex because
43:00sometimes it appears that what is good
43:04for people conflicts with what is good
43:07for the environment
43:46one of the most important i know
43:49roles of um of trees again so it absorbs
43:52carbon dioxide
44:06so
44:21okay so there are
44:24different environmental ethics so in
44:26this environmentally conscious times
44:28most people agree that we need to be
44:32environmentally responsible i hope you
44:34will agree with this
44:41environment the earth the mother earth
44:44so we really need to be environmentally
44:46responsible
44:47okay so
44:49the
44:50primary goal of environmental ethics is
44:52that
44:54it's not simply to convince us that we
44:56should be concerned about the
44:58environment so um roll down
44:59environmental ethics hindi lang simply
45:02to convince us
45:03you need to be environmentally
45:04responsible because the mother earth is
45:06dying okay but instead okay it focuses
45:11on the moral foundation
45:13technology moral foundation of
45:15environmental responsibility
45:18and how this responsibility extends
45:23when it comes to carrying the
45:25environment okay are you environmental
45:28uh responsible kabab samantha naga
45:45and more responsible so union pinnacle
45:48role ethics
45:54so
45:55there are different philosophical
45:57approaches to environmental ethics so
46:00the different environmental philosophers
46:03have developed a three okay so far there
46:06are three sonas
46:09so there are three theoretical
46:12approaches to help us see more
46:14clearly our ethical responsibilities
46:18concerning the environment
46:24these are the three primary theories of
46:26moral responsibility to the environment
46:29so at the young pinago bhutan so namely
46:32ayan so we have anthro anthropocentrism
46:35we have the biocentrism and echocentrism
46:38so he is
46:39so
46:40again these are the three philosophical
46:43approaches to environmental ethics so
46:45anthropo
46:46anthropocentrism from the word anthro
46:49again so next biocentrism from the word
46:52bio okay and also third one echocentrism
46:57from the word echo okay take note of
46:59anthro bio and echo aside
47:03all right so let's start with the
47:05anthropocentrism
47:07okay
47:08so the anthropocentrist
47:10of course from the word anthro which
47:12means human it is a human-centered
47:15environmental ethics so
47:18uh type of environmental ethics
48:02only when it benefits humans okay so
48:06young environment provide value to
48:08humans
48:12and environment is to provide all the
48:14things needed by the human so without
48:16considering welfare in our environment
48:19so sabidito according to this ethics
48:22only human beings are morally
48:24significant
48:27morally significant and have direct
48:30moral standings young environment what
48:33environment so the value of environment
48:36lies in its instrumental world for
48:39humans manipulation so young
48:42environments anthropocentrism ethics and
48:46pusha instrumental
48:57so it's really a human center
49:00okay so our environmental duties are
49:02derived both from the immediate benefit
49:04that people receive from the environment
49:07and from the benefit the future
49:09generations of people will receive so
49:14hindi
49:30so another
49:32another
49:33environmental ethics
49:35okay so biocentrism so ethnomine
49:38from the word by you which means life it
49:41is a life-centered environmental ethics
49:44so
49:45anthropocentrism
49:51all forms of life okay all forms of life
49:55have an inherent right to exist
50:05should protect and respect all living
50:08organisms because meron silang
50:22so some believe that we have a greater
50:24responsibility to protect animal species
50:26than plant species
50:29biocentrism ethics
50:32animal species than plants and a greater
50:35responsibility to protect mammals than
50:38invertebrates or most importantly
50:41mammals than invertebrates according to
50:43these ethics so another another group of
50:46biocentrists okay take the view that all
50:50living organisms have an equal right
51:16i hope you are still watching this video
51:19okay and i hope you are
51:20learning in this discussion okay so
51:24another okay the last
51:26the last environmental ethics
51:32okay we have now the echo centrism so
51:35from the word echo i am so it maintains
51:39the environment
51:41okay it maintains that the environment
51:44deserves direct moral consideration and
51:48not consideration that is merely derived
51:51from human or animal interests
52:12with those living things
52:14okay so another this epic
52:21human being we
52:22should protect and respect the
52:25ecosystems in addition to the organism
52:28they contain
52:53environment itself not just the living
52:56organisms that inhabit it has moral
52:59worth
53:07okay so systemic value that the
53:09particular ecosystem possesses
53:12as the matrix matrix that make
53:15biological life possible
53:21human living things okay excuse me so
53:24human living things indeed
53:26without that ecosystem or young
53:29environment
53:40so so
53:41indeed life would not be possible
53:43without our environment so
53:47mother earth
53:49should have the same right to life as
53:51any mother aya and sona pagan danito
53:54your mother
54:08environmental ethics so at the sofa
54:12okay
54:21and equal rights okay
54:24paramount exists okay
54:26so according to aldo aldo you are called
54:30ayan so he is an economy a psychologist
54:33who is one of the earliest and and most
54:36well-known spokesperson for echo
54:38centrism
54:43environmentalists
54:48and environmental ethics so
54:54we need to see ourselves
54:55as members of the community
54:58that also includes the land and the
55:00waters
55:03we human beings
55:11okay so he claims that
55:14a thing is right
55:16when it tends to preserve the integrity
55:19stability and beauty of the biotic
55:23community it is wrong
55:32if
55:35it will preserve the integrity stability
55:37and the beauty of biotic community or um
55:41okay it is wrong when
55:43when it tends otherwise we abuse land
55:47because we regard it as a commodity
55:50belonging to us
56:27so when we see land
56:37we may begin to use it with love and
56:40respect so
56:42commodity
56:57you will i know you will use it with
56:59love and respect to the point
57:03okay you will use it with integrity okay
57:06so we'll preserve it i and so that is
57:10according to aldo
57:12okay so
57:16okay
57:22okay
57:23so
57:24okay so we're now on the fourth part so
57:29over
57:30one hour again so we come now to the
57:33fourth part song
57:36enough
57:37environmental ethics
57:39to
57:40to attain a sustainable environment so
57:45enough
57:48environmental attitudes
57:51okay so the fourth part of this
57:53discussion is about the environmental
57:55attitudes so tabidito
57:58it is never easy
58:00to act in accordance with one particular
58:03ethic and everything so hindido
58:06madeleine
58:13okay so ethical commitments
58:16pull in different directions at
58:18different times so you gigging
58:30which means that because of this
58:32difficulties it is sometimes easier to
58:36talk in terms of general attitudes or
58:39approaches to the environment rather
58:41than in terms of particular ethics
59:24okay so there are three environmental
59:27attitudes or approaches to environment
59:29so first of all is development so this
59:32is an attitude a high environmental
59:34attitude another is preservation
59:37and lastly conservation
59:42these are the most important
59:44environmental attitude so let's start
59:47with the development
59:48okay so sabido dito these attitudes
59:52reflect a person's ethical commitment
59:57attitude
1:00:16so
1:00:17let's start with the development so
1:00:20sabi dito development is the most
1:00:23anthropocentric approach so this is a
1:00:25human-centered
1:00:28anthropocentric ethics
1:00:30human-centered development okay it
1:00:33assumes
1:00:35that the human race is and should be the
1:00:38master of nature
1:00:40and that the earth and its resources
1:00:43exist solely for our benefit and
1:00:46pleasure indeed anthropocentric
1:00:48intellect
1:01:17this is reinforced by the capitalist
1:01:19work ethic
1:01:21which dictate the humans should create
1:01:24value for themselves by putting their
1:01:26labor into both land and materials in
1:01:29order to convert them into marketable
1:01:32paradigms
1:01:58okay so also it suggests that the
1:02:01improvements in the human condition
1:02:03require converting even more of nature
1:02:06over human use
1:02:15subdivisions
1:02:18um
1:02:25so more on development development
1:02:27development okay the approach thinks
1:02:30highly of human creativity and
1:02:32imagination and holds that continual
1:02:35economic growth is itself a moral idea
1:02:38for
1:02:39society
1:02:44economic growth
1:02:54the environment has value only in so far
1:02:57as human beings economically utilize it
1:03:00so
1:03:04this mindset has very often accompanied
1:03:07the process of
1:03:09industrialization and modernization in a
1:03:12country so at the young pakistan
1:03:28most human-centered and environmental
1:03:30attitudes so another
1:03:33the second environmental attitude is the
1:03:35attitude of preservation
1:03:42this is the most eco-centric approach
1:03:47environment
1:03:55ecosystem
1:04:04rather than seek to convert all the
1:04:07nature over to human uses
1:04:09preservationists want to see a large
1:04:12portion of nature to be preserved
1:04:25so nature has intrinsic value or
1:04:28inherent worth apart from human uses so
1:04:32asides of value for human i know human
1:04:35consumption metal ibang worth okay that
1:04:38is according to this an attitude so we
1:04:41need to preserve our environment
1:04:44so number two another so preservation
1:04:48habit nature not as a commodity but a
1:04:51companion
1:05:08that nature is sacred whether or not
1:05:11resources are scarce
1:05:15we need to consider nature as sacred so
1:05:19philosophers like me uh emerson and toro
1:05:23okay thought of nature as full of
1:05:26divinity okay
1:05:28nature okay
1:05:34so they also believe that nature is
1:05:36beautiful
1:05:37and restorative and should be preserved
1:05:40to ensure that wild place exists for
1:05:44humans to hide camp fish or just enjoy
1:05:48some salty
1:06:17so one button conservation attitude
1:06:19metal so this is an approach okay that
1:06:22tends to strike a balance
1:06:25between and restraint development and
1:06:28preservation so
1:06:30nato
1:06:45this is anthropocentric and juice um
1:06:49ecocentric okay so
1:06:51anthropocentric in the sense that it is
1:06:54it is interested in promoting human
1:06:56well-being so atom conservation
1:07:03and at the same time okay at the same
1:07:06time my dear students
1:07:09conservat conservationists tend to
1:07:12consider a wider range of long-term
1:07:15human goods in their decisions about
1:07:18environmental
1:07:19management so
1:07:22planting
1:07:23ayans replanting activities okay
1:07:29so those are ways on how we can conserve
1:07:31our environment
1:07:40in nantao is important and at the same
1:07:43time you environmental environment is
1:07:46also important
1:07:48decisions
1:08:05they are both biocentric and
1:08:08anthropocentric elements to their
1:08:10thinking okay so hindi langnila
1:08:14ethically sensitive hunters often see
1:08:17the value of non-human animal species
1:08:20and put ethical constraints on the way
1:08:22they hunt them
1:08:24examples
1:08:33even though a hunter tends to think that
1:08:36the human interest in harvest harvesting
1:08:39the myth ultimately overrates the
1:08:41animal's interest in staying alive okay
1:08:45so he or she often believes that the
1:08:47animal has a place on the landscape and
1:08:51that the world is a better place if it
1:08:53contains healthy population of wild
1:08:56animals
1:09:07[Music]
1:09:33you need to also consider those wild
1:09:36animals
1:09:39so
1:09:41so so far
1:09:43so
1:09:43those are the three environmental
1:09:45attitudes okay
1:09:48sustainable development how can we
1:09:51attain this sustainable development
1:09:54environmental ethics
1:09:56environmental attitudes
1:10:00sustainable development
1:10:02is defined
1:10:04as meeting the needs of current
1:10:06generations without compromising the
1:10:08ability of future generations to meet
1:10:11theirs
1:10:27so we need sustainable development
1:10:38future generations
1:10:50so
1:10:51this is a middle ground
1:10:53that seeks to promote appropriate
1:10:56development take note of that it's
1:10:58appropriate development in order to
1:11:01alleviate poverty while still preserving
1:11:04the ecological health of the landscape
1:11:08so so far para
1:11:11conservation or
1:11:12conservationists i know attitude
1:11:15when it comes to environment hindi
1:11:17language
1:11:21ecological health
1:11:23environment nagina
1:11:26okay so atom sustainable development in
1:11:28the
1:11:29focus
1:11:31environmental issues
1:11:34to develop
1:11:35the well-being of humans okay
1:11:38so again
1:11:40so
1:11:42according to the anode the united
1:11:44nations 2005 world summit document
1:11:48atom sustainable development refers to
1:11:51the interdependent and beautifully
1:11:53reinforcing pillars of of sustainable
1:11:56development are the following so
1:12:012005. okay united in the united nations
1:12:05okay so
1:12:06there is sustainable development so you
1:12:10can see here
1:12:11to attain sustainable development
1:12:13kailangan is considered a social
1:12:16environmental and economical factors so
1:12:20what about the
1:12:44social and environmental also when it
1:12:47comes to economic and environmental
1:12:49dapad viable and when it comes to
1:12:51economic and social dapacha fair
1:12:55okay
1:13:03resources so that is according to this i
1:13:05know to this framework paradigm
1:13:07attaining sustainable development
1:13:14environment hindi
1:13:30to really attain that sustainable
1:13:33development okay so
1:13:36so um
1:13:38um to obtain this sustainable
1:13:39development we really need to consider
1:13:42the different environmental ethics and
1:13:44the different environmental attitudes
1:13:46which is a discussion
1:13:50behind the wrestling environmental
1:13:52sciences
1:13:58s
1:14:11because it talks about the different
1:14:14environmental principles
1:14:23okay so there are seven
1:14:26okay so there are seven environmental
1:14:28principles so the first one is nature
1:14:31knows best
1:14:34the second one all forms of life are
1:14:37important
1:14:38the third one everything is connected to
1:14:41everything else okay so that is the
1:14:43third environmental principle so the
1:14:46first fourth environmental principle
1:14:48everything changes
1:14:56so number five
1:14:58everything must go somewhere so he says
1:15:01nothing
1:15:02and number six ours is affinity earth so
1:15:05young earth
1:15:08and lastly the most
1:15:10beautiful
1:15:12okay uh environmental principle is that
1:15:15nature is beautiful
1:15:17and we are the steroids of god's
1:15:19creation okay so napahagandang nature
1:15:26to really you know protect that god's
1:15:28creation so let's start with the first
1:15:30principle
1:15:34so i hope you will still i know finish
1:15:37this video until the end okay so the
1:15:40first environmental principle is that
1:15:42nature knows best
1:15:44okay so sabi dito we
1:15:47humans have to understand that
1:15:50nature okay understand nature and follow
1:15:54its rules because
1:15:56if you want to ensure a continuous and
1:15:59steady supply of resources
1:16:02one must not go against natural
1:16:05processes
1:16:12okay for example
1:16:18okay so
1:16:31wildfires and
1:16:33[Music]
1:16:35mother nature knows best
1:16:39okay also
1:16:41if we humans cause any disruption in the
1:16:44cycle of nature this can bring imbalance
1:16:48to our ecosystem okay example
1:16:53okay
1:17:07mother nature knows best
1:17:10okay so
1:17:12oh yeah an example intense flooding due
1:17:14to cutting
1:17:22mother nature so be careful okay mother
1:17:26nature knows best okay so let us proceed
1:17:30with the next environmental principle
1:17:32all forms of life are important so
1:17:35um
1:17:38ethics and environmental and
1:17:39environmental attitudes so sapidito each
1:17:42organism plays a fundamental role in
1:17:45natures
1:17:47[Music]
1:17:55ecosystem
1:17:56okay so all living organisms were
1:17:59created for a purpose in relation to
1:18:03humans other species on earth and global
1:18:06ecosys ecosystem in general so a cow
1:18:10you are a living organism so you are
1:18:13created by god with purpose
1:18:41okay because i i enjoy what i really do
1:18:43win which is i love teaching okay so but
1:18:46i'm feeling good
1:18:49so
1:18:50yeah that's why i really put my and my
1:18:52heart and soul whenever that time i am
1:18:55teaching my and my students
1:19:04mother earth 7 billion
1:19:20it is easy to appreciate
1:19:23the beautiful organism like butterflies
1:19:26and beasts especially if
1:19:28if one knows their important role in
1:19:31pollination they basically do not
1:19:34appreciate your role
1:19:50butterfly beasts and are very you know
1:19:53very important okay parama
1:19:55undergoing
1:19:58okay so
1:20:00environmental principle
1:20:02indeed
1:20:15everything is connected to everything
1:20:17else
1:20:18so atom
1:20:20environmental principle nato ether
1:20:24interrelatedness is indeed a core
1:20:26concept in environmental science cases
1:20:31excuse me in an ecosystem
1:20:34all biotic and abiotic components
1:20:37interact so the vasa ecosystem taiyo we
1:20:40are considered as biotic then
1:20:43above those are considered a biotic
1:20:45component so naginta are attached with
1:20:47each other to ensure that the system is
1:20:50sustained
1:20:52so
1:20:55we interact with our environment parama
1:20:57sustain
1:20:58system
1:21:00so any interruption from outside may
1:21:04cause an imbalance and collapsing of the
1:21:07system
1:21:10your earth is a system
1:21:21everything is connected to everything
1:21:23else
1:21:26okay
1:21:55how would it affect our life
1:21:57okay our relationship with our family
1:22:02hospitalized
1:22:15everything is interconnected to
1:22:17everything else for example
1:22:19the trees in the forest are home to
1:22:22ferns or kids birds insects and mammals
1:22:26[Music]
1:22:32birds
1:22:33insects
1:22:55so another when these plants and animal
1:22:58dies
1:22:59and so their products of the composition
1:23:02contribute to soil fertility and so mama
1:23:06tayman
1:23:07plants and animals
1:23:15so through the process of decomposition
1:23:18patabasa
1:23:33can you think of that
1:23:37powerful tree planting my dear students
1:23:56okay so indeed everything is connected
1:23:59to everything else okay so forth
1:24:03everything changes my dear students this
1:24:05is very true
1:24:13feelings
1:24:57okay however with our current technology
1:25:01we have affected these natural changes
1:25:04and this changes now causes problematic
1:25:07events to us
1:25:09okay so that is
1:25:25of vegetation on earth increased the
1:25:27amount of oxygen in the atmosphere
1:25:30through time so
1:25:32because
1:25:53because of this global pandemic
1:25:57so by
1:25:58increasing the vegetation it will
1:26:00probably increase the amount of oxygen
1:26:03okay
1:26:06okay
1:26:48metamorphosis okay metamorphosis of
1:26:51caterpillars to butterflies or the
1:26:54banach simulations
1:27:00butterfly this illustrates morphological
1:27:03changes that occur in living form so
1:27:07indeed everything changes
1:27:09okay even our outlook in life okay so he
1:27:14knew you know
1:27:16and
1:27:20i think
1:27:22on how we deal with problems so somehow
1:27:25and
1:27:27so
1:27:28another so for you coming out to the
1:27:31fifth and a fifth environmental uh
1:27:33environmental principle um everything
1:27:36must go somewhere so divine and don't
1:27:38eat those
1:27:39a pretest
1:27:43so everything ends up elsewhere
1:27:46it doesn't just disappear
1:27:54everything that we throw away pieces of
1:27:56paper
1:27:58left over
1:27:59peelings of fruits plastic wrappers use
1:28:02containers must have to go somewhere
1:28:12okay so mobile
1:28:14is the is that it does not cease to
1:28:18exist it ends up elsewhere on a table
1:28:24too big
1:28:25partnership bodies of water
1:28:48so
1:28:49indeed everything must go somewhere so
1:28:51be careful with what you are throwing
1:28:54okay
1:29:28so another example here
1:29:30gases release in the atmosphere may
1:29:33spread okay but it will end up as a
1:29:37component of the atmosphere and can be
1:29:39brought down by reigns
1:30:01so the more we pollute
1:30:03the air that we are breathing okay the
1:30:06more we pollute our environment
1:30:09everything must go somewhere
1:30:12[Music]
1:30:15okay
1:30:20so be careful of what you are doing to
1:30:22your environment okay so
1:30:26so for the sixth environmental i know
1:30:29principle we have here ours is affinity
1:30:31earth okay so you
1:30:40so everything that we need is provided
1:30:42by nature in abundance so i hope you
1:30:44will agree with me uh
1:30:50food
1:30:51plants animals
1:30:53your water
1:30:54young energy
1:30:56in a form of sunlight highlight energy
1:30:59heat energy the minerals that we have
1:31:02okay and the air that we breathe
1:31:07in mother nature
1:31:11well this is the time for you to realize
1:31:14that
1:31:14mother nature provided us all the things
1:31:17that we needed in abundance
1:31:26are different energy resources we have
1:31:28the renewable and non-renewable
1:31:30resources okay so
1:31:33although
1:31:36renewable resources can be replenished
1:31:43okay it is important to understand that
1:31:46these are only renewable okay
1:31:51if they are not overused and not
1:31:53destroyed from factor factors such as
1:31:57pollution so ethel mangawind
1:32:00hydro hydro
1:32:02power plant etosasolar as a geothermal
1:32:06young biomass okay so atomic renewable
1:32:09source of energy
1:32:24okay
1:32:37also experience limits of supply so
1:32:39hindi unlimited okay
1:32:43i unlimited waters
1:32:48unlimited time welcomes a discussion
1:32:52when it comes to water
1:32:59and for human consumption so you really
1:33:02need to know to conserve it you really
1:33:04need to to take care of it and use it
1:33:07efficiently because
1:33:12so
1:33:13example
1:33:14fossil fuels produce over thousands of
1:33:17years may be exhausted in a hundred
1:33:19years so the biomanga
1:33:50so indeed ours is affinity earth hindi
1:33:54infinite okay
1:33:58okay so and lastly
1:34:01this is the most sentimental
1:34:03environmental principle so nature is
1:34:05beautiful
1:34:06and we are the steroids of god's
1:34:08creation
1:34:16so among all creatures humans are the
1:34:19only ones made in god's image okay so
1:34:26[Music]
1:34:29okay
1:34:30and in his image and have been given the
1:34:33right to have dominion over all his
1:34:37creations
1:34:44okay being the most intelligent and
1:34:46gifted with reason we are capable of
1:34:49manipulating creation to our own
1:34:52advantage
1:34:57animals
1:35:13advantage that is why
1:35:17okay humans cannot exist without nature
1:35:20okay i hope you will agree with me
1:35:22we are not owners but guardians of the
1:35:25integrity of nature hindi
1:35:46okay so it is a life mission manifested
1:35:49in the things that we do or we say so
1:35:51the baha'i oh you are future mechanical
1:35:53engineers
1:35:55okay so
1:35:58okay will affect the future of our
1:36:00environment so sana pakayo nagin
1:36:04engineers na you really consider the
1:36:06welfare of the environment while
1:36:08considering the welfare of the human
1:36:11being so i know some of you
1:36:14um
1:36:22scientific knowledge so i hope um you
1:36:26really consider the welfare of our
1:36:28environment okay singapore protecting
1:36:30the earth is a life mission okay
1:36:36we take
1:36:41so it is manifested in the things that
1:36:43we do and we say okay so be careful of
1:36:46what you are doing to your environment
1:36:48again so
1:36:50this is what
1:36:59okay
1:37:00mother earth is really dying
1:37:02okay uh it is crying for i know for
1:37:06mercy
1:37:07okay and
1:37:09through environmental science i hope and
1:37:12i'm very emotional with this
1:37:15very degraded earth
1:37:17and um using the knowledge
1:37:20that i will share to you
1:37:22all the learnings that uh that you will
1:37:24and you will learn in this subject i
1:37:27hope somehow
1:37:28will you know really help
1:37:31our mother earth in
1:37:35[Applause]
1:37:54i know you are aware of what is
1:37:56happening in our world
1:37:59china
1:38:40please help me
1:38:42in
1:38:42educating your family members
1:38:45okay that we really need to protect our
1:38:47environment okay so
1:38:50uh i'm so excited to share with you
1:38:52other another knowledge about our
1:38:55environment
1:38:57to really protect mother nature okay so
1:39:00with that so these are the additional
1:39:02reference materials
1:39:04now by the young thing nan ayan so you
1:39:07can watch the video of mr anderson
1:39:10anderson so the bayou is a youtube video
1:39:12so this also
1:39:14talks about the introduction to
1:39:16environmental science and also
1:39:23google classroom okay at the point page
1:39:26page one two three and fourteen to
1:39:28twenty one sodium
1:39:31they discuss this afternoon okay so as
1:39:34an important announcement because i'm
1:39:37almost done again so important
1:39:40announcement
1:39:41as part of this and again thank you for
1:39:44listening so if you have any question
1:39:47you reserve newpo answer next
1:39:49asynchronous schedule nothing okay so
1:39:52parama
1:39:56i'll be posting a link okay so i'll be
1:39:59posting a link in the description of
1:40:01this video
1:40:04i have a question there okay it is a
1:40:07reflection question about the things
1:40:10that i've discussed in this i know in
1:40:12this video so januar
1:40:16posts a google classroom so
1:40:33so
1:40:35you look for your section and links
1:40:38for the three sections okay so you just
1:40:41click it okay and then you reflect okay
1:40:45you reflect on the things that i've
1:40:46discussed in this recorded video and
1:40:49then
1:40:50you know
1:40:53okay so i hope
1:40:57and i think i don't want to take too
1:40:59much of your time once again thank you
1:41:01very much for listening and still and
1:41:04watching up until this time okay so
1:41:08thank you very much i really appreciate
1:41:10you
1:41:10okay so if you have any question you
1:41:13reserve mulan yan's at the next
1:41:15asynchronous asynchronous schedule
1:41:22[Music]
1:41:30so i think that would be all okay can we
1:41:34call it a day okay so thank you very
1:41:37much once again so see you in our next
1:41:40synchronous schedule so
1:41:42goodbye and may you have a nice day okay
1:41:47so
1:41:48thank you bye

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