What Earth in 2050 could look like - Shannon Odell

725,044 views ・ 2024-03-28

TED-Ed


Please double-click on the English subtitles below to play the video.

Prevodilac: Nevena Ciric Lektor: Milenka Okuka
00:07
While we’re already feeling the devastating effects
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Iako već osećamo razorne efekte
00:09
of human-caused climate change,
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klimatskih promena izazvanih ljudskim delovanjem,
00:11
governments continue to fall short on making and executing emissions pledges
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vlade ipak ne uspevaju da ispune obećanja koja se tiču smanjenja emisija
00:15
that would help thwart further warming.
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što bi usporilo dodatno zagrevanje.
00:17
So, what will our world look like in the next 30 to 80 years,
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Mnogi se pitaju kako će naš svet da izgleda u narednih 30 do 80 godina,
00:21
if we continue on the current path?
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ukoliko nastavimo ovim putem?
00:23
While it’s impossible to know exactly how the next decade will unfold,
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Iako je nemoguće predvideti kako će se stvari razvijati u narednoj deceniji,
00:27
scientists and climate experts have made projections,
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naučnici i klimatski stručnjaci prave predviđanja
00:30
factoring in the current state of affairs.
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uzimajući u obzir trenutno stanje stvari.
00:33
This future we’re about to describe is bleak,
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Budućnost koju ćemo vam opisati je sumorna,
00:35
but remember there’s still time to ensure it doesn’t become our reality.
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ali zapamtite, i dalje imamo vremena da se postaramo da ne postane stvarnost.
00:40
It’s 2050.
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Godina je 2050.
00:41
We’ve blown past the 1.5 degree target that world leaders promised to stick to.
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Prešli smo granicu od 1,5°C koju su nam svetski lideri obećali da nećemo preći.
00:45
The Earth has warmed 2 degrees since the 1800s,
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Zemlja se ugrejala za 2°C od 1800-ih,
00:49
when the world first started burning fossil fuels in mass scale.
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kada je svet prvi put počeo masovno da koristi fosilna goriva.
00:52
Reports on heatwaves and wildfires regularly fill the evening news.
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Izveštaji o toplotnim talasima i požarima neizostavan su deo večernjih vesti.
00:57
Summer days exceed 40 degrees in London and 45 degrees in Delhi,
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Letnji dani dostižu preko 40°C u Londonu i 45°C u Delhiju,
01:01
as extreme heat waves are now 8 to 9 times more common.
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dok su ekstremni toplotni talasi, osam do devet puta učestaliji.
01:05
These high temperatures prompt widespread blackouts,
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Visoke temperature uzrokuju učestale prekide struje
01:08
as power grids struggle to keep up with the energy demands
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dok mreže pokušavaju da zadovolje energetsku potražnju
01:10
needed to properly cool homes.
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neophodnu za adekvatno hlađenje domaćinstava.
01:13
Ambulance sirens blare through the night,
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Sirene hitne pomoći se čuju tokom noći,
01:15
carrying patients suffering from heatstroke, dehydration, and exhaustion.
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prevozeći pacijente koji pate od toplotnog udara, dehidracije i iscrpljenosti.
01:19
The southwestern United States, southern Africa, and eastern Australia
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Jugozapadna područja SAD-a, južni delovi Afrike i istočna Austrlija
01:23
experience longer, more frequent, and more severe droughts.
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se suočavaju sa dužim, češćim i znatno ozbiljnijim sušama.
01:27
Meanwhile, the Philippines, Indonesia, and Japan
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U međuvremenu, Filipini, Indonezija i japan
01:30
face more frequent heavy rainfall
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se suočavaju sa sve češćim obilnim padavinama
01:32
as rising temperatures cause water to evaporate faster,
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jer rastuće temperature uzrokuju brže isparavanje vode
01:35
and trap more water in the atmosphere.
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koja se duže zadržava u atmosferi.
01:37
As the weather becomes more erratic,
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Kako vremenski uslovi postaju nestabilniji,
01:39
some communities are unable to keep pace with rebuilding
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neka naseljena područja nisu u stanju da nanovo izgrade
01:42
what’s constantly destroyed.
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stvari koje se konstantno uništavaju.
01:44
Many move to cities,
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Mnogi se sele u gradove.
01:45
where they face housing shortages and a lack of jobs.
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Suočavaju se sa manjkom stambenog prostora i posla.
01:48
A resource squeeze is felt in newborn intensive care wards,
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Oseća se nedostatak resursa na intenzivnoj nezi u porodilištima,
01:51
as the rising temperature and air pollution
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pošto rastuća temperatura i zagađenje vazduha
01:53
cause higher rates of premature and underweight births.
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dovode do većeg broja prevremeno rođenih i neuhranjenih beba.
01:57
More children develop asthma and respiratory disease,
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Sve više dece oboleva od astme i respiratornih bolesti,
01:59
and rates balloon in communities regularly exposed to forest fire smoke.
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i stope su alarmantne u zajednicama koje su izložene dimu od šumskih požara.
02:04
The global emissions added to the atmosphere each year
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Globalne emisije, koje su godinama u porastu,
02:06
finally start to level off, thanks to government action,
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konačno počinju da se stabilizuju, zahvaljujući merama vlade,
02:09
but it’s decades too late.
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ali je nekoliko decenija dockan.
02:11
We fail to reach net zero in time.
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Ne uspevamo da na vreme dostignemo neto nulu.
02:13
As a result, by 2100 the Earth has warmed another 0.5 to 1.5 degrees.
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Kao posledica toga, do 2100. Zemlja se zagreva dodatanih 0,5°C do 1,5°C.
02:19
Over half of our remaining glaciers have melted.
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Više od polovine preostalih glečera se istopilo.
02:22
As the sea heats up, its volume increases due to thermal expansion.
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More se zagreva i njegova zapremina raste usled termičkog širenja.
02:26
Together, this elevates sea level by well over a meter.
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Nivo mora raste znatno više od metra.
02:29
Entire nations, like the Marshall Islands and Tuvalu, are uninhabitable
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Čitave nacije, poput Maršalskih Ostrva i Tuvalua, postaju nenaseljiva područja
02:33
as large swaths of their islands are submerged.
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jer su veliki delovi njihovih ostrva potopljeni.
02:36
Some islands, like the Maldives,
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Neka ostrva, poput Maldiva,
02:38
spend billions building interconnected rafts
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troše milijarde na izgradnju povezanih splavova
02:41
that house apartments, schools, and restaurants
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na kojima su smešteni stanovi, škole i restorani
02:43
that float above its drowned cities.
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koji plutaju nad ostacima potopljenih gradova.
02:45
Resettled climate migrants in Jakarta, Mumbai, and Lagos
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Raseljeni klimatski migranti u Džakarti, Mumbaju i Lagosu
02:49
are forced to abandon their homes once again,
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primorani su da ponovo napuste svoje domove
02:52
as rising tides and extreme storms flood buildings and crumble infrastructure.
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dok sve jače plime i ekstremne oluje plave zgrade i uništavaju infrastrukturu.
02:56
Overall, 250 million people are displaced.
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Ukupno, 250 miliona ljudi je raseljeno.
03:00
Some affluent cities like New York and Shanghai attempt to adapt,
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Neki bogati gradovi poput Njujorka i Šangaja pokušavaju da se prilagode,
03:04
elevating buildings and roadways.
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izdižući zgrade i puteve.
03:06
Ten-meter-tall seawalls line the cities’ coasts.
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Desetometarski zidovi štite obale ovih gradova.
03:10
Children learn about extinct sea life which once inhabited the ocean’s reefs,
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Deca uče o izumrlim vrstama koje su nekada naseljavale koralne grebene,
03:13
all of which have vanished thanks to rising surface water temperatures.
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a koje su nestale zbog porasta površinske temperature okeana.
03:18
Grocery prices skyrocket,
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Cene su rekordno visoke
03:20
as food and water scarcity touch all communities.
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jer su nestašica hrane i vode zahvatile sve zajednice.
03:23
Fruits and products long grown in the tropics and subtropics
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Voće i proizvodi iz tropskih i suptropskih krajeva
03:26
rarely show up on shelves,
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retko se mogu naći na policama
03:28
as intense heat waves paired with increasing humidity
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jer intenzivni toplotni talasi uz povećanu vlažnost vazduha
03:31
make it deadly for farmers to work outdoors.
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čine poljoprivredni rad napolju smrtonosnim.
03:33
Unpredictable heatwaves, droughts, and floods
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Nepredvidivi toplotni talasi, suše i poplave
03:36
cripple small-scale farmers in Africa, Asia, and South America,
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nanose veliku štetu malim proizvođačima širom Afrike, Azije i Južne Amerike
03:40
who previously produced one-third of the world’s food.
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koji su donedavno proizvodili jednu trećinu svetske hrane.
03:43
Hundreds of millions of people are pushed into hunger and famine.
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Stotine miliona ljudi suočava se sa teškim nestašicama hrane.
03:47
Climate predictions can feel overwhelming and terrifying.
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Prognoze klimatskih promena deluju zaista zastrašujuće.
03:51
Yet many of the experts responsible for these assessments remain optimistic.
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Ipak, mnogi stručnjaci koji su odgovorni za ove procene ostaju optimistični.
03:55
Since countries have first begun taking steps to lower their emissions,
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Otkad su zemlje počele da preduzimaju korake za smanjenje emisija,
03:58
warming projections have shifted downwards.
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projekcije zagrevanja su se smanjile.
04:01
In less than a decade, we’ve reduced our projected emission rates
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Za manje od jedne decenije, smanjili smo predviđene stope emisija
04:04
so that we’re no longer on track to hit nearly 4 degrees of warming.
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tako da više nismo na putu da dostignemo gotovo 4°C zagrevanja.
04:08
Policies that invest in renewable energy sources,
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Programi koji ulažu u obnovljive izvore energije,
04:11
cut fossil fuel production, support electric transportation,
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smanjuju proizvodnju fosilnih goriva, podstiču upotrebu električnih vozila,
04:14
protect our forests, and regulate industry
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štite naše šume i regulišu industriju
04:17
can help mitigate the worst effects of climate change.
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mogu umanjiti najgore posledice klimatskih promena.
04:20
But climate experts have also stressed that current policies and pledges
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Međutim, stručnjaci naglašavaju i da trenutne politike i obećanja
04:25
don’t go far enough— in speed or scale.
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nisu dovoljno striktni — ni po brzini sprovođenja, ni po obimu.
04:28
Enacting real change will require bold solutions,
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Sprovođenje stvarnih promena će da zahteva hrabra rešenja,
04:31
innovations, and collective action.
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inovacije i kolektivnu akciju.
04:33
There’s still time to rewrite our future, and every tenth of a degree counts.
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Budućnost je u našim rukama, zato je svaki doprinos važan.
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