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Why Europe is still unsure on air conditioning despite record heatwaves | The Global Story — Transcript

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  1. 0:00How did air conditioning become part of
  2. 0:02the culture wars? When you walk anywhere
  3. 0:06in the United States in the heat of the
  4. 0:08summer, pretty much any shop or building
  5. 0:11is chilly, freezing even. In the United
  6. 0:14States, air conditioning has become
  7. 0:16expected. Not just in shops or
  8. 0:19workplaces, but also in homes. Nearly
  9. 0:2190% of US homes have AC, but it's far
  10. 0:25less common in Europe, which has been
  11. 0:27experiencing recordbreaking
  12. 0:30temperatures this summer, especially in
  13. 0:34France, where the question over whether
  14. 0:35to have air conditioning or not have air
  15. 0:37conditioning has sparked a pretty fierce
  16. 0:40political debate, which has reached
  17. 0:42boiling point. From the BBC, I'm Tristan
  18. 0:44Redman in London, and this is the global
  19. 0:48story on YouTube.
  20. 0:54So, a bit later in the podcast, we're
  21. 0:56going to be speaking to one of the hosts
  22. 0:58of the BBC's Climate Question podcast.
  23. 1:01But before that, we're zooming in on
  24. 1:03France with a guest that you probably
  25. 1:05know pretty well by now, Tristan
  26. 1:07Redmond, host of the Global Story.
  27. 1:09>> Hello.
  28. 1:10Thank you for inviting me on your show,
  29. 1:12Zumi.
  30. 1:13>> Well, actually, it's your show, but I'm
  31. 1:15happy to happy to talk to you about what
  32. 1:17an interesting topic, isn't it? air
  33. 1:19conditioning. It might seem innocuous,
  34. 1:22Tristan, but I think you and I know it
  35. 1:24is anything but.
  36. 1:25>> It is anything but.
  37. 1:26>> I can tell you on this side of the
  38. 1:28Atlantic, there has been so much media
  39. 1:30coverage of late, not just about the
  40. 1:32heat wave in the US, but about air
  41. 1:34conditioning and the lack thereof in
  42. 1:36Europe, and there are a lot of strong
  43. 1:38feelings.
  44. 1:39>> There are strong feelings um on all
  45. 1:43sides probably, right? I want to give
  46. 1:45you just a taste of the headlines in
  47. 1:47some of the main publications here.
  48. 1:49There was an editorial in the Washington
  49. 1:51Post that claimed that European
  50. 1:53hostility towards air conditioning is
  51. 1:55suicidal.
  52. 1:57>> Um, a Wall Street Journal editorial
  53. 1:59called alternative cooling solutions
  54. 2:01green virtue signaling. Uh, New York
  55. 2:04magazine called the debate in Europe
  56. 2:06bewildering. There's been a lot of focus
  57. 2:08on the picture in France. And Tristan,
  58. 2:10you live in Paris, so paint this picture
  59. 2:12for us then. What is it like to live in
  60. 2:14Paris during a heat wave?
  61. 2:15>> Well, it can be a nightmare. It doesn't
  62. 2:17cool down really very much at night
  63. 2:19because there's a lot of stone uh a lot
  64. 2:22of heavy stone buildings and the they
  65. 2:25just radiate heat at night. Uh and
  66. 2:28people get used to um this feeling. You
  67. 2:32you sleep with your windows open because
  68. 2:33you most likely don't have air
  69. 2:34conditioning. And the feeling of being
  70. 2:37in Paris in the summer is the feeling of
  71. 2:40listening and hearing all of your
  72. 2:42neighbors and all the things that
  73. 2:43they're doing as you try to go to sleep.
  74. 2:45So sometimes they're cooking, sometimes
  75. 2:47they're arguing, sometimes they're
  76. 2:48snoring, some a lot of the time they're
  77. 2:50having sex.
  78. 2:51>> Charming.
  79. 2:51>> Yeah. Well, yes and no. Sometime it's
  80. 2:54charming for a very short period of time
  81. 2:55and then it gets a bit much. I would say
  82. 2:58that the conversation that happens
  83. 3:00inside my family is something like a
  84. 3:03microcosm of the conversation about air
  85. 3:06conditioning maybe all the way across
  86. 3:09Europe. So just to give you an example
  87. 3:11of like me and my wife. So a couple of
  88. 3:14years ago we invested in a very um
  89. 3:17shoddy little air conditioning unit. Now
  90. 3:20in in the United States you laugh at it.
  91. 3:22It's barely big enough to cool one room.
  92. 3:24Um but we put it in our bedroom and then
  93. 3:27on really hot nights um my daughters,
  94. 3:30two of them will come in and sleep in
  95. 3:32the room with us. So there are four of
  96. 3:33us huddling in in in one room. But the
  97. 3:37difference between my wife and I comes
  98. 3:38from the fact that I grew up in the
  99. 3:40United States, so I I'm quite attached
  100. 3:42to air conditioning as a concept. So, I
  101. 3:45will sneak down the corridor like maybe
  102. 3:47two or three hours before we're going to
  103. 3:49go to bed and I'll turn on the air
  104. 3:50conditioning and I'll close the door in
  105. 3:52the bedroom because I want the room to
  106. 3:54be cool when we come to bed. And if my
  107. 3:56wife gleans that I have done this, she
  108. 4:00will tend to then sneak down the
  109. 4:01corridor and then turn it off again
  110. 4:03because she thinks I'm being
  111. 4:04irresponsible. And she'll look at me and
  112. 4:07she will think that I am some sort of
  113. 4:09proflegate wastrol. uh and I will look
  114. 4:13at her and think that she is preaching
  115. 4:15at me and that's those those are the
  116. 4:17divisions uh that exist. Um and that you
  117. 4:20can extrapolate throughout European
  118. 4:22society in some ways.
  119. 4:24>> Yeah. So why has the debate do you think
  120. 4:26been so loud this year?
  121. 4:28>> Well, I think the reason ultimately is
  122. 4:31change. Europe is changing. Um climate
  123. 4:34change is a real thing as a continent.
  124. 4:37It's
  125. 4:38temperatures are creeping up faster than
  126. 4:41any other continent on Earth.
  127. 4:43Historically, you haven't needed air
  128. 4:46conditioning in Europe. So, as recently
  129. 4:48as 20 years ago, when when I lived in
  130. 4:50Paris, there would be, you know, maybe
  131. 4:52five or six nights a year where it was
  132. 4:54unbearably hot, so it wasn't really
  133. 4:55worth getting air conditioning. Now, it
  134. 4:57can be weeks and weeks at a stretch. Let
  135. 4:59me run you through, Sunumi, some of the
  136. 5:01things that have happened this spring
  137. 5:04and summer because it started in spring.
  138. 5:06So the first heat wave was in May which
  139. 5:08is very early. There was a second 11-day
  140. 5:12heat wave in June. A lot of schools and
  141. 5:14hospitals sumi are not airond
  142. 5:16conditioned. Thousands of schools have
  143. 5:18had to close. Thousands more had to
  144. 5:21adjust their schedules. Uh at the
  145. 5:23beginning of July, the French National
  146. 5:26Public Health Agency said that it
  147. 5:29recorded an increase of more than 2,000
  148. 5:31deaths during the last week of June. We
  149. 5:35don't know how many of those were
  150. 5:36attributed to the heat, but that's 2,000
  151. 5:38excess deaths in that period. All of
  152. 5:40this then transformed into a political
  153. 5:43debate. The French government, the
  154. 5:45government of Sebastian Lornu, who's the
  155. 5:47prime minister of Emanuel Macron, has
  156. 5:49been criticized for not doing enough.
  157. 5:51But political camps are kind of
  158. 5:53coalescing on this issue. So Meen Le Pen
  159. 5:57notably, uh, who is a hardright leader
  160. 6:00in France, the favorite to become the
  161. 6:02next president of France. So her party
  162. 6:05has traditionally been climatoskeepic as
  163. 6:07they would call themselves. Now they're
  164. 6:09saying they're sort of saying climate
  165. 6:11change is a real thing and we need to
  166. 6:13deal with it and the way we need to deal
  167. 6:14with it is by investing properly in air
  168. 6:17conditioning. Her opponent on the hard
  169. 6:20left is a guy called Jeanluke Melosh who
  170. 6:24he he's taken the opposite position. He
  171. 6:26says climate change is a real thing. Um
  172. 6:28and it's going to become worse if people
  173. 6:31especially in cities where lots of
  174. 6:33people are concentrated together. Uh
  175. 6:35start using air conditioning um a lot.
  176. 6:38Uh and the people who would be affected
  177. 6:40most in cities would be the poorest
  178. 6:43people who cannot afford air
  179. 6:44conditioning because all you're doing
  180. 6:45when you take air in put air
  181. 6:47conditioning into your building is
  182. 6:49you're taking heat from inside your
  183. 6:50building and you're shoving it outside
  184. 6:52the building. And for the first time,
  185. 6:54the leader of the Green Party in France
  186. 6:56is a woman called Marin Tondulier.
  187. 6:58She has started saying that the
  188. 7:01situation is so serious that air
  189. 7:03conditioning needs to be part of the
  190. 7:06solution, which is not something you
  191. 7:08would have expected uh just a few years
  192. 7:11ago. And it's been a kind of whole
  193. 7:12political ding-dong ever since then,
  194. 7:14really. I wonder Tristan, what do people
  195. 7:16in France then think of the US and how
  196. 7:18Americans are addicted to really cold
  197. 7:22indoor spaces in the summer?
  198. 7:23>> So, there was a headline that you read
  199. 7:25read out earlier on which I'd just like
  200. 7:27to um just address. So, it was an
  201. 7:30editorial that called alternative
  202. 7:32cooling solutions quote green virtue
  203. 7:37signaling. So, you know, I can't speak
  204. 7:40for all Europeans, but I don't know
  205. 7:42about that. I mean, I'm not sure that
  206. 7:43many Europeans are choosing uh to
  207. 7:46swelter in their houses just to prove a
  208. 7:49point to people in the United States,
  209. 7:50but it is fascinating um to us over here
  210. 7:53in Europe that people in the United
  211. 7:54States are so interested in this
  212. 7:56question. Why do you think it is? You
  213. 7:58know, I'm in two minds and two hearts
  214. 8:00about this because I spend a decade and
  215. 8:02a half living in Berlin, uh which is
  216. 8:04pretty similar to what you described to
  217. 8:06Paris. There is no AC to be found
  218. 8:08anywhere. That is partly because in
  219. 8:11Germany you also haven't seen the type
  220. 8:13of temperatures that Europe is
  221. 8:15experiencing now. In the past you would
  222. 8:17have as you said maybe a week of really
  223. 8:19hot temperatures and that was dealt with
  224. 8:22with open windows. Um the Germans have
  225. 8:24something called lift and lift which is
  226. 8:26creating a cross breeze by opening
  227. 8:28several windows. Uh and that's how you
  228. 8:31try to cool down a space even if it's
  229. 8:32hot outside. Um here in the US and I
  230. 8:35grew up here and have come back here a
  231. 8:37few years ago. um there is a sense that
  232. 8:40convenience is the most important thing
  233. 8:42and why would you suffer in the heat uh
  234. 8:45when you can be cool inside. So I think
  235. 8:48part of what the concern is I would say
  236. 8:51about Europeans here is a bit of
  237. 8:52headscratching that bewildering um title
  238. 8:55I think describes it quite well. Why
  239. 8:58would you want to sit through unbearable
  240. 9:00heat and try to fall asleep with all
  241. 9:01your windows open in the summer and not
  242. 9:04be able to cool down when there is a
  243. 9:05solution there ready at hand? And
  244. 9:08actually that perception also goes along
  245. 9:11with that virtue signaling. Um there are
  246. 9:14Americans and I've talked to many of
  247. 9:15them who say well the Europeans just
  248. 9:17think they're better than us that they
  249. 9:19don't need air conditioning and um that
  250. 9:22they can be more green that than we can
  251. 9:24here in the US. So I think it's kind of
  252. 9:26those two things together. I think one
  253. 9:28point Americans do make is when you have
  254. 9:31such extreme heat and here in Washington
  255. 9:33DC there are days where you simply could
  256. 9:35not function with without air
  257. 9:37conditioning. Um but that would really
  258. 9:40uh reduce the productivity of society
  259. 9:43here because in the summer that means
  260. 9:44there are people who perhaps could not
  261. 9:46go to work maybe their kids could not go
  262. 9:48to school so they would have to stay
  263. 9:49home.
  264. 9:50>> That kind of conversation is being had
  265. 9:52in France as well. So Maren Le Pen says
  266. 9:55that it's an economic imperative uh to
  267. 9:59cool temperatures down for people in
  268. 10:01France. And you know if you listen to
  269. 10:03people on the endless radio debates that
  270. 10:05are raging on this topic right now,
  271. 10:07there will often be people who say okay
  272. 10:09yes installing air conditioning in
  273. 10:12buildings which are very old uh and not
  274. 10:14meant to have air conditioning can be
  275. 10:16extortionately expensive. But what can
  276. 10:18be even more expensive is losing
  277. 10:21productivity in the economy. So, we're
  278. 10:23just trying to make the best of a
  279. 10:24difficult situation over here because
  280. 10:26things have suddenly got a lot hotter
  281. 10:28than they used to be and we're doing the
  282. 10:30best we can.
  283. 10:31>> I think Americans would be very
  284. 10:33understanding of that.
  285. 10:34>> Well, Sumi, in all of this, one of the
  286. 10:36questions is, is air conditioning
  287. 10:39actually a one-sizefits-all solution
  288. 10:42that works for everything? I wanted to
  289. 10:44know a little bit more about this,
  290. 10:45Sunumi. So, I got in touch with our
  291. 10:47colleague Greer Jackson, who's the host
  292. 10:50of the BBC podcast, The Climate
  293. 10:53Question, and I wanted to start off by
  294. 10:55asking Grae if she actually had air
  295. 10:58conditioning herself, and she told me
  296. 11:01that she had um a much more unusual
  297. 11:03solution to the problem.
  298. 11:04>> I have a fan.
  299. 11:05>> Yeah.
  300. 11:05>> So, I'm not without entirely without
  301. 11:08means. If it gets really hot, I sleep
  302. 11:09under a wet sheet. That's my other
  303. 11:11technique. But when I was pregnant and
  304. 11:14having to work, I was living in a 70s
  305. 11:16house that was really poorly insulated.
  306. 11:18So I used to um sit with a big bucket of
  307. 11:21water under the desk with my feet in the
  308. 11:24bucket of water. And that was the best
  309. 11:26thing I could find to keep cool and do
  310. 11:29some work.
  311. 11:30>> Does that work?
  312. 11:31>> It works really, really well. Yeah.
  313. 11:32>> Our our American listeners right now are
  314. 11:35going like, "What are these people
  315. 11:36doing? They've got buckets of water
  316. 11:40under their desks." All right. Well,
  317. 11:42Greer, it's so great to have you with us
  318. 11:43here at the global story, as you know,
  319. 11:45we look at stories where the world and
  320. 11:47America meet. And um one of the things
  321. 11:50that has amazed some of the Americans on
  322. 11:52our team is that some of the Europeans
  323. 11:55on our team don't have air conditioning
  324. 11:58at home. Um and somehow this summer it
  325. 12:02feels like air conditioning has become
  326. 12:04part of the conversation in a way that I
  327. 12:07don't really remember. Have you noticed
  328. 12:10more people buying air conditioning
  329. 12:11units in the UK?
  330. 12:14>> Somewhat. I mean, people have mentioned
  331. 12:17it to me, but mostly I think because
  332. 12:19they're British, they just complain
  333. 12:20about how hot it is. And if they got air
  334. 12:22con, then they wouldn't be able to
  335. 12:24complain about how hot it is. We love
  336. 12:25complaining about the weather here.
  337. 12:27>> Um, that's sort of anecdotally, air
  338. 12:29conditioning units have been on the rise
  339. 12:32for a long time. I was looking at some
  340. 12:34data. uh 1990 to 2016 saw a four-fold
  341. 12:38increase in air conditioning units sold
  342. 12:41uh during that period. That's globally.
  343. 12:43So people
  344. 12:44>> four fourfold of not very much could
  345. 12:47also be not very much or is it genuinely
  346. 12:48a lot now?
  347. 12:49>> I mean I mean if you look at China there
  348. 12:51are hundreds of millions of units
  349. 12:53installed. It's the same in the US. Um
  350. 12:56South Korea, Japan are sort of third and
  351. 12:58fourth on the list. And then there are
  352. 13:00some emerging markets where maybe
  353. 13:02something like 27 million units are
  354. 13:04installed in places like India and
  355. 13:06Brazil. So there are still hundreds of
  356. 13:09millions of units. Granted, there are
  357. 13:12many more people than that. Many people
  358. 13:14of which you would obviously never be
  359. 13:16able to afford air conditioning or might
  360. 13:18not even have access to electricity. So
  361. 13:20um that kind of puts it into
  362. 13:22perspective. But that that is expected
  363. 13:25to rise. That projection if you like of
  364. 13:27air conditioning sales is only going to
  365. 13:29go up and up. I have some data here that
  366. 13:31the UN says the need for air con could
  367. 13:33triple by 2050.
  368. 13:35>> I think probably deep down in the
  369. 13:37British uh psyche there is the idea that
  370. 13:40uh succumbing to air conditioning is
  371. 13:43somehow um shows weak moral fiber.
  372. 13:48But what are some I mean apart from the
  373. 13:50kind of um sense of guilt that some
  374. 13:53British people or Europeans feel, what
  375. 13:56are the arguments against using air
  376. 13:59conditioning?
  377. 14:00>> Well, it's expensive to install, right?
  378. 14:02I think that puts a lot of people off,
  379. 14:04especially when we're living in a cost
  380. 14:05of living crisis. Energy prices are
  381. 14:07soaring. So, expensive to buy, expensive
  382. 14:10to run. But if you look at the
  383. 14:11environmental side, there are also some
  384. 14:13issues around the climate. So, these air
  385. 14:16conditioning units use refrigerant
  386. 14:17gases, things like CFC's. Um, and those
  387. 14:21if they leak are really, really potent
  388. 14:24planet warming gases or if they're not
  389. 14:26disposed of at end of life, they're
  390. 14:28really problematic. There is quite a big
  391. 14:30push for those to be edged out or phased
  392. 14:33out and more climate friendly gases used
  393. 14:35instead. But the main bulk of emissions
  394. 14:38that come from air conditioners are
  395. 14:40actually how they're powered, the
  396. 14:41electricity they use. So that really
  397. 14:44depends on how the grid is powered and
  398. 14:47where you live in the world. So if you
  399. 14:49take two air conditioning units and you
  400. 14:51run one in China and one in Brazil, they
  401. 14:54all have totally different carbon
  402. 14:57footprints or climate footprints. So in
  403. 14:59China, that's because around 50% of the
  404. 15:02grid is powered with coal. So huge
  405. 15:05amount of fossil fuel energy and coal is
  406. 15:08the dirtiest of the fossil fuels that we
  407. 15:10have. Brazil on the other hand 80%
  408. 15:13renewables on the grid. So the carbon
  409. 15:15footprint is far far less. So it really
  410. 15:17depends on where you are in the world.
  411. 15:19So environment cost those are the sort
  412. 15:22of the main sort of cons if you like.
  413. 15:25But there's a trade-off because people
  414. 15:27need to stay cool. People can't live in
  415. 15:29some of the conditions that they're
  416. 15:31experiencing. I mean India in May was
  417. 15:33seeing exper sort of 40 50°. I mean it's
  418. 15:38that's unlivable really. But in theory,
  419. 15:40it would be possible to have a
  420. 15:42carbonneutral
  421. 15:44uh air conditioning system in your house
  422. 15:46if all of the energy that you burnt in
  423. 15:48your house were renewable.
  424. 15:50>> Yes, in theory. I mean, nearly zero. It
  425. 15:53depends on the refrigerant gases that
  426. 15:54we've talked about, but in theory, you
  427. 15:56could. The UN has actually published a
  428. 15:58report last year at um COP, the big
  429. 16:01climate conference that said we could
  430. 16:03get to nearly zero emissions via in the
  431. 16:06cooling sphere. So there's lots of
  432. 16:08solutions to be had, but it's also just
  433. 16:10not about, you know, how we power our
  434. 16:12grids and what gases we use. There are
  435. 16:15lots of solutions that help us bring
  436. 16:17down the amount of power and electricity
  437. 16:20we need. Because don't forget, if we
  438. 16:23install so much air conditioning, we're
  439. 16:26going to have to grow our grids
  440. 16:27exponentially to keep up with that power
  441. 16:30demand. I mean maybe 20% more of the
  442. 16:33power that we're using today in 2050
  443. 16:35just for cooling alone. And there's lots
  444. 16:37of other industries that are going to
  445. 16:39need renewable power like cement and
  446. 16:41steel and the aviation industry to
  447. 16:44produce sustainable fuels. So there's
  448. 16:45going to be much higher demand on the
  449. 16:47grid. So we need to reduce our energy
  450. 16:49consumption and make it much more energy
  451. 16:51efficient when we do need it.
  452. 16:53>> Are air conditioning units as bad for
  453. 16:56the environment as some people would
  454. 16:59have us believe? So, it's hard to weigh
  455. 17:01in whether they're really bad or not
  456. 17:03because, like we've said, it depends on
  457. 17:04how your grid is being powered. It
  458. 17:06depends on how energy efficient your
  459. 17:08unit is or even the standards in your
  460. 17:10country are very different depending on
  461. 17:12government laws and rules. So, I think
  462. 17:14it's it's hard to say whether it's quote
  463. 17:17unquote good or bad because I think it's
  464. 17:20also necessary for a lot of people.
  465. 17:22people cannot live at these sorts of
  466. 17:25temperatures and indeed lots of people
  467. 17:27die in these sorts of temperatures.
  468. 17:30>> What are some of the alternatives? I
  469. 17:32mean um you suggested putting a tub of
  470. 17:35cold water under the desk. Um but for
  471. 17:38people who don't want to or cannot
  472. 17:41install air conditioning as we enter
  473. 17:44times of the year where it's just
  474. 17:46unbearably hot, what are some of the
  475. 17:48best tips and tricks?
  476. 17:50Well, I want to zoom out a little bit if
  477. 17:52that's okay because I don't want the
  478. 17:54onus just to be on what individuals
  479. 17:56should or could do because there's lots
  480. 17:58that town planners and governments can
  481. 18:00do. So, I talked about before how the UN
  482. 18:02said we could get emissions down to
  483. 18:04nearly zero from cooling systems and
  484. 18:06that is through energy efficiency as I
  485. 18:08mentioned, but also how we build our
  486. 18:10cities. Um, that's where the majority of
  487. 18:12us live. And there's also something
  488. 18:14called the urban heat island effect
  489. 18:15which is where our cities are much much
  490. 18:17hotter than the surrounding areas. And
  491. 18:20that's because uh we use lots of
  492. 18:22materials like concrete and ashvault
  493. 18:25which are dark so they absorb more
  494. 18:26sunlight but because of the nature of
  495. 18:28the material they also hold on to that
  496. 18:30heat much much more. There's much less
  497. 18:33vegetation which makes it much much
  498. 18:35warmer. So cities are just much much
  499. 18:38hotter as a result. So why don't we
  500. 18:40think about redesigning and rebuilding
  501. 18:41our cities or when we're building new
  502. 18:43cities or extending them. How do we
  503. 18:44design cities in a way that are much
  504. 18:47more climactically comfortable? And one
  505. 18:49of the main solutions is green spaces.
  506. 18:52>> Lots of co- benefits. You know, they
  507. 18:54keep our air cleaner. They make us happy
  508. 18:56as well, but they also keep us cooler
  509. 18:58because they provide shade. And all the
  510. 19:00plants do something called evapo
  511. 19:02transpiration, which is basically a
  512. 19:03fancy way of plants sweating. Fancy way
  513. 19:06of saying that. So there's that sort of
  514. 19:08level of stuff, but also the buildings
  515. 19:10that we build. Think about a glass
  516. 19:12skyscraper in the middle of Dubai.
  517. 19:15That's going to require a lot of cooling
  518. 19:17because glass is not a very good
  519. 19:19material for thermal regulation.
  520. 19:21Conversely, in somewhere like the UK in
  521. 19:23winter, it also needs a lot of heating.
  522. 19:25So how do we build our buildings uh that
  523. 19:28are much more sort of thermally
  524. 19:30efficient? And we know how to do this.
  525. 19:32It's called passive cooling. It's where
  526. 19:33we use natural solutions to cool our
  527. 19:35homes. And we've been doing it for
  528. 19:37hundreds of years. So, have you been to
  529. 19:40Morocco before? Yes. So, you've wal
  530. 19:43stood outside and then walked into a
  531. 19:44Riad those beautiful shaded courtyards
  532. 19:48and I bet you noticed the temperature
  533. 19:50difference.
  534. 19:51>> That is a way that you can design a
  535. 19:53building really cleverly so that it's
  536. 19:55cool. And again, that's water features
  537. 19:57help cool the air plants and using
  538. 19:58shading, thick walls as well help keep
  539. 20:01the cooler the heat up and narrow
  540. 20:03windows. In Egypt, they use those sorts
  541. 20:06of techniques. Um, but they also use
  542. 20:08something called a wind catcher, which
  543. 20:10are really, really beautiful. So, on the
  544. 20:12tops of buildings, they have almost like
  545. 20:14a gazebo, like they're beautiful.
  546. 20:16They're often beautiful wooden lattice
  547. 20:17work or brick work, and it's got lots of
  548. 20:19holes. And so, as the wind blows across
  549. 20:21the top of the city, the wind catches
  550. 20:23are then caught in these in these little
  551. 20:26gazeos, and they get diverted, the air
  552. 20:28gets diverted down into the building. So
  553. 20:30it keeps it's keeps ventilation but it
  554. 20:32also keeps that cool air ventilating
  555. 20:34around the building and keeping the
  556. 20:36building cool. So there's lots of
  557. 20:38interesting ideas about how you can do
  558. 20:40this at low cost with materials that are
  559. 20:42widely available that don't cost the
  560. 20:44moon to do. Um so that's sort of how you
  561. 20:47can think about it top level. But there
  562. 20:49are lots of things that we can do and
  563. 20:51I've gone out and done and seen lots of
  564. 20:53interesting things including would you
  565. 20:55believe it painting windows with yogurt.
  566. 20:58>> Go on. dairy or non-dairy, although
  567. 21:01there's probably a slightly lower carbon
  568. 21:03footprint to the non-dairy version. But
  569. 21:05basically, I met a guy called Tom who's
  570. 21:08been looking at lowcost solutions to
  571. 21:11stopping heat traveling through windows.
  572. 21:13And he found that with yogurt and a bit
  573. 21:16of a paint roller, he painted yogurt
  574. 21:18onto the window. And he then measured
  575. 21:21that that yogurt film could reflect 80%
  576. 21:25of the sun's thermal energy which meant
  577. 21:28that your room was much much cooler as a
  578. 21:31result. I was really skeptical because I
  579. 21:33was like smell flies you know whatever
  580. 21:36no flies no smell he says and when it's
  581. 21:40the heat wave saver you can just
  582. 21:42>> I mean you say that but we're not doing
  583. 21:46a very good job of convincing our
  584. 21:48American cousins that we are not insane
  585. 21:52>> that's true I mean something I like to
  586. 21:54do and I I learned this I was doing a
  587. 21:57bit of reporting um about the little ice
  588. 21:59age which was conversely a very cold
  589. 22:01time in England. It's where have you
  590. 22:03ever seen pictures of the frost fairs on
  591. 22:04the river temps where it freezes over?
  592. 22:06Yes. That period of time and this
  593. 22:08building called Hardwick Hall in the
  594. 22:10north of England was built. It's it's a
  595. 22:12stunning piece of architecture. Um and
  596. 22:16what was really interesting about that
  597. 22:17is they had designed the building to be
  598. 22:20used based on the sun's position in the
  599. 22:22sky. So kitchen in the cold northern
  600. 22:26area, they have their breakfast where
  601. 22:28the sun rises and their dinner where the
  602. 22:30sun sets. So they literally followed the
  603. 22:32sun around the house.
  604. 22:34>> Yes.
  605. 22:34>> And I then went home and I moved my desk
  606. 22:38where I spend the majority of my day to
  607. 22:40follow the sun in winter and to hide
  608. 22:43from the sun in summer. And I I can
  609. 22:45notice there's about a two°ree
  610. 22:47temperature difference from moving from
  611. 22:49back and forth from my house. So you can
  612. 22:52do these like little weird quirky things
  613. 22:54if you can if they're available to you.
  614. 22:56and all these little differences. They
  615. 22:58might not sound like much, but I think
  616. 23:00collectively they can add up.
  617. 23:01>> We've been talking a little bit about
  618. 23:03France in this episode and last week
  619. 23:06Marin Tondur who's the leader of the
  620. 23:09French Green Party um who you know the
  621. 23:13orthodox thinking would be that they
  622. 23:15would be against aircon. Now Marine
  623. 23:18Tondelia acknowledged that it's now
  624. 23:19becoming necessary to have air
  625. 23:22conditioning as part of the solution. Do
  626. 23:25you think we're at a turning point in
  627. 23:27Europe?
  628. 23:28>> Quite possibly. I mean, if you look back
  629. 23:31over the last couple of decades, um, one
  630. 23:35statistic I saw from the UN was
  631. 23:37something like 489,000
  632. 23:39people have died as a result of heat
  633. 23:41related deaths. I was I found that
  634. 23:43figure shocking. 489,000 people. That's
  635. 23:45nearly half an half a million people
  636. 23:48dying from heat every single year. That
  637. 23:51is every single year. huge in in I was I
  638. 23:53was so shocked to read that and so
  639. 23:57actually it's very hard to put a cost of
  640. 24:02life against a cost to the environment
  641. 24:04it you know so there are always going to
  642. 24:06be there are always going to be
  643. 24:07trade-offs at least in the short term
  644. 24:09and maybe you know the raising awareness
  645. 24:11of the fact that climate change is
  646. 24:14making heat waves more intense more
  647. 24:16frequent we've seen this one massive
  648. 24:18heat wave in June and we're in the midst
  649. 24:21of the next one. So, I wouldn't be
  650. 24:23surprised if air con, at least in the UK
  651. 24:26and Europe, became a much more normal
  652. 24:28convention, but we'll have to wait and
  653. 24:31see.
  654. 24:31>> Gra, thank you so much.
  655. 24:33>> You're welcome.
  656. 24:33>> It's been great to have you.
  657. 24:34>> It's been nice to be here.
  658. 24:35>> That was Grae Jackson, host of the BBC
  659. 24:38podcast, The Climate Question, which is
  660. 24:40also available here on YouTube. And
  661. 24:43that's it from us. The Global Story is
  662. 24:44also an audio pod. We're available every
  663. 24:47weekday on BBC.com or wherever you
  664. 24:49listen. Thanks for tuning in. We'll be
  665. 24:51back again tomorrow. Cheerio.

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