What really happens to the plastic you throw away - Emma Bryce

5,172,755 views ・ 2015-04-21

TED-Ed


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

Prevodilac: Mile Živković Lektor: Anja Saric
00:06
This is the story of three plastic bottles,
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Ovo je priča o tri plastične flaše,
00:09
empty and discarded.
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prazne i odbačene.
00:11
Their journeys are about to diverge
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Njihovi putevi će se upravo razići
00:13
with outcomes that impact nothing less than the fate of the planet.
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sa posledicama po samu sudbinu planete.
00:18
But they weren't always this way.
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Ali nisu uvek bile takve.
00:20
To understand where these bottles end up, we must first explore their origins.
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Kako bismo razumeli gde ove flaše na kraju završe, prvo moramo istražiti
00:25
The heroes of our story were conceived in this oil refinery.
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njihovo poreklo. Junaci naše priče su začeti u ovoj rafineriji nafte.
00:29
The plastic in their bodies
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Plastika u njihovim telima
00:31
was formed by chemically bonding oil and gas molecules together
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je izrađena hemijskim spajanjem molekula nafte i gasa
00:35
to make monomers.
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kako bi se dobili monomeri.
00:37
In turn, these monomers were bonded into long polymer chains to make plastic
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Zauzvrat, ovi monomeri se vežu u duge lance polimera kako bi se dobila
00:43
in the form of millions of pellets.
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plastika u vidu miliona kuglica.
00:46
Those were melted at manufacturing plants and reformed in molds
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One se dalje tope u fabrikama i oblikuju u kalupima
00:50
to create the resilient material that makes up the triplets' bodies.
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kako bi se dobio otporni materijal od kojeg se sastoje tela ove trojke.
00:55
Machines filled the bottles with sweet bubbily liquid
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Mašine pune flaše slatkom mehurastom tečnošću
00:58
and they were then wrapped, shipped, bought, opened, consumed
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i zatim se pakuju, razvoze, kupuju, otvaraju, konzumiraju
01:02
and unceremoniously discarded.
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i nesvečano odbacuju.
01:05
And now here they lie,
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I evo ih ovde,
01:06
poised at the edge of the unknown.
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lebde na ivici nepoznatog.
01:10
Bottle one, like hundreds of millions of tons of his plastic brethren,
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Prva flaša, kao i stotine miliona tona njenih plastičnih sestara,
01:14
ends up in a landfill.
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završava na deponiji.
01:16
This huge dump expands each day
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Ovo ogromno smetlište se širi svakog dana
01:19
as more trash comes in and continues to take up space.
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jer dolazi sve više smeća i zauzima sve više prostora.
01:23
As plastics sit there being compressed amongst layers of other junk,
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Dok se plastika tu sabija među slojevima drugog smeća,
01:27
rainwater flows through the waste
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kišnica protiče kroz smeće i upija
01:30
and absorbs the water-soluble compounds it contains,
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vodorazgradiva jedinjenja iz smeća,
01:34
and some of those are highly toxic.
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od kojih su neka veoma otrovna.
01:36
Together, they create a harmful stew called leachate,
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Oni zajedno čine štetnu čorbu zvanu procedna voda,
01:41
which can move into groundwater, soil and streams,
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koja može završiti u podzemnim vodama, zemljištu i potocima,
01:44
poisoning ecosystems and harming wildlife.
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i na taj način zatrovati ekosisteme i naštetiti divljim životinjama.
01:48
It can take bottle one an agonizing 1,000 years to decompose.
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Prvoj flaši je potrebno 1000 očajničkih godina da se razgradi.
01:54
Bottle two's journey is stranger but, unfortunately, no happier.
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Putovanje druge flaše je neobičnije ali, nažalost, ništa srećnije.
01:58
He floats on a trickle that reaches a stream,
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Nju struja polako nosi do potoka,
02:01
a stream that flows into a river,
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potok se uleva u reku,
02:03
and a river that reaches the ocean.
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a reka u okean.
02:06
After months lost at sea,
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Nakon nekoliko meseci u okeanu,
02:08
he's slowly drawn into a massive vortex, where trash accumulates,
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polako se uvlači u veliki vrtlog gde se skuplja smeće,
02:13
a place known as the Great Pacific Garbage Patch.
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mesto koje je poznato pod nazivom Veliki pacifički tepih od smeća.
02:17
Here the ocean's currents have trapped millions of pieces of plastic debris.
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Ovde stotine struja u okeanu donesu milione komada plastičnog smeća.
02:22
This is one of five plastic-filled gyres in the world's seas.
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To je jedna od pet vijuga punih plastike koje se nalaze u okeanima sveta.
02:27
Places where the pollutants turn the water into a cloudy plastic soup.
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To su mesta gde zagađivači vodu pretvaraju u mutnu plastičnu supu.
02:32
Some animals, like seabirds, get entangled in the mess.
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Neke životnje poput galebova zapetljaju se u tom neredu.
02:35
They, and others, mistake the brightly colored plastic bits for food.
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Poput drugih životinja, oni pomešaju šarenu plastiku sa hranom.
02:41
Plastic makes them feel full when they're not,
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Od plastike se osećaju siti kada nisu
02:44
so they starve to death
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tako da uginu od gladi
02:46
and pass the toxins from the plastic up the food chain.
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i toksine iz plastike šalju dalje niz lanac ishrane.
02:50
For example, it's eaten by lanternfish,
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Na primer, jedu ih ribe svetiljke,
02:52
the lanternfish are eaten by squid,
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lignje jedu ribe svetiljke,
02:55
the squid are eaten by tuna,
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tune jedu lignje
02:57
and the tuna are eaten by us.
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i mi jedemo tune.
03:00
And most plastics don't biodegrade,
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Većina plastike se ne raspada biološki
03:02
which means they're destined to break down into smaller and smaller pieces
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što znači da joj je suđeno da se raspada na sve manje delove
03:06
called micro plastics,
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koji se nazivaju mikroplastika,
03:08
which might rotate in the sea eternally.
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koji mogu da kruže okeanima do u beskonačnost.
03:12
But bottle three is spared the cruel purgatories of his brothers.
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Ali treća flaša je spašena okrutnog čistilišta gde odlaze njegova braća.
03:17
A truck brings him to a plant
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Kamion ga dovozi do fabrike
03:19
where he and his companions are squeezed flat
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gde njega i njene drugove spljošte
03:22
and compressed into a block.
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i sabiju u blokove.
03:24
Okay, this sounds pretty bad, too, but hang in there.
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U redu, i ovo zvuči prilično loše, ali stanite malo.
03:27
It gets better.
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Biće bolje.
03:29
The blocks are shredded into tiny pieces,
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Blokovi se seckaju na sitne komade
03:32
which are washed and melted,
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koji se peru i tope,
03:33
so they become the raw materials that can be used again.
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tako da postaju sirov materijal koji može opet da se koristi.
03:37
As if by magic, bottle three is now ready to be reborn
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Baš kao uz neku magiju, treća flaša je sada spremna da se preporodi
03:42
as something completely new.
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kao nešto potpuno novo.
03:44
For this bit of plastic with such humble origins,
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Za ovaj komad plastike tako skromnog porekla,
03:47
suddenly the sky is the limit.
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odjednom nebo nema granica.
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