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

Što se stvarno dogodi plastici koju baciš - Emma Bryce

5,172,755 views

2015-04-21 ・ TED-Ed


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

Što se stvarno dogodi plastici koju baciš - Emma Bryce

5,172,755 views ・ 2015-04-21

TED-Ed


Dvaput kliknite na engleske titlove ispod za reprodukciju videozapisa.

Prevoditelj: Irma Komljenović Recezent: Ivan Stamenković
00:06
This is the story of three plastic bottles,
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Ovo je priča o tri plastične boce,
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 će se putevi razići
00:13
with outcomes that impact nothing less than the fate of the planet.
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s posljedicama koje utječu na sudbinu planeta.
00:18
But they weren't always this way.
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Ali nisu uvijek bile ovakve.
00:20
To understand where these bottles end up, we must first explore their origins.
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Da bismo razumjeli gdje će boce završiti, prvo moramo proučiti njihovo podrijetlo.
00:25
The heroes of our story were conceived in this oil refinery.
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Heroji naše priče stvoreni su u ovoj rafineriji nafte.
00:29
The plastic in their bodies
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Plastika u njihovim tijelima
00:31
was formed by chemically bonding oil and gas molecules together
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stvorena je kemijskim spojevima molekula nafte i plina,
00:35
to make monomers.
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koji čine monomere.
00:37
In turn, these monomers were bonded into long polymer chains to make plastic
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Onda su ti monomeri vezani u duge lance polimera koji čine plastiku
00:43
in the form of millions of pellets.
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u obliku milijuna peleta.
00:46
Those were melted at manufacturing plants and reformed in molds
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Njih se otapa u tvornicama i ponovno oblikuje u kalupima
00:50
to create the resilient material that makes up the triplets' bodies.
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kako bi se stvorio elastični materijal koji čini tijelo trojki.
00:55
Machines filled the bottles with sweet bubbily liquid
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Strojevi pune boce slatkom gaziranom tekućinom,
00:58
and they were then wrapped, shipped, bought, opened, consumed
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a onda su zamotane, otpremljene, kupljene, otvorene, iskorištene
01:02
and unceremoniously discarded.
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i grubo odbačene.
01:05
And now here they lie,
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Sada leže ovdje,
01:06
poised at the edge of the unknown.
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staložene na rubu nepoznatog.
01:10
Bottle one, like hundreds of millions of tons of his plastic brethren,
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Prva boca, poput stotina milijuna tona svoje plastične braće,
01:14
ends up in a landfill.
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završava na odlagalištu.
01:16
This huge dump expands each day
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Ovo ogromno smetlište povećava se svakog dana
01:19
as more trash comes in and continues to take up space.
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kako sve više smeća dolazi i nastavlja zauzimati prostor.
01:23
As plastics sit there being compressed amongst layers of other junk,
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Kako plastika stoji zbijena ispod slojeva drugog smeća,
01:27
rainwater flows through the waste
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kišnica prolazi kroz otpad
01:30
and absorbs the water-soluble compounds it contains,
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i upija spojeve topive u vodi koje ona sadrži,
01:34
and some of those are highly toxic.
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a neki od njih su vrlo otrovni.
01:36
Together, they create a harmful stew called leachate,
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Zajedno čine štetne juhe, zvane procjedne vode,
01:41
which can move into groundwater, soil and streams,
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koje mogu doći do podzemnih voda, tla i potoka,
01:44
poisoning ecosystems and harming wildlife.
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usput trujući ekosustave i šteteći divljim životinjama.
01:48
It can take bottle one an agonizing 1,000 years to decompose.
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Prvoj boci za raspad može biti potrebno i 1000 mučeničkih godina.
01:54
Bottle two's journey is stranger but, unfortunately, no happier.
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Putovanje druge boce čudnije je, ali, nažalost, ne i sretnije.
01:58
He floats on a trickle that reaches a stream,
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Ona pluta na vodi koja doseže potok,
02:01
a stream that flows into a river,
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potokom koji utječe u rijeku,
02:03
and a river that reaches the ocean.
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i rijekom koja dolazi do oceana.
02:06
After months lost at sea,
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Nakon mjeseci plutanja morem,
02:08
he's slowly drawn into a massive vortex, where trash accumulates,
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lagano je privučen u ogromni vrtlog u kojem se skuplja smeće,
02:13
a place known as the Great Pacific Garbage Patch.
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mjesto koje zovemo Velikim pacifičkim tepihom od smeća.
02:17
Here the ocean's currents have trapped millions of pieces of plastic debris.
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Ovdje su morske struje zarobile milijune komada plastičnog otpada.
02:22
This is one of five plastic-filled gyres in the world's seas.
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To je jedan od pet vrtloga ispunjenih plastikom u svjetskim morima,
02:27
Places where the pollutants turn the water into a cloudy plastic soup.
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mjesta gdje zagađivači pretvaraju vodu u mutnu plastičnu juhu.
02:32
Some animals, like seabirds, get entangled in the mess.
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Neke životinje, poput morskih ptica, bivaju zapetljane u neredu.
02:35
They, and others, mistake the brightly colored plastic bits for food.
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One, i druge, brkaju svijetlo obojane plastične komade s hranom.
02:41
Plastic makes them feel full when they're not,
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Zbog plastike se osjećaju sito kad nisu,
02:44
so they starve to death
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pa umru od gladi
02:46
and pass the toxins from the plastic up the food chain.
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i predaju toksine iz plastike dalje kroz hranidbeni lanac.
02:50
For example, it's eaten by lanternfish,
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Na primjer, jede ju žaboglavka,
02:52
the lanternfish are eaten by squid,
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lignje jedu žaboglavke,
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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a tune jedemo mi.
03:00
And most plastics don't biodegrade,
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Većina plastika nije biorazgradiva,
03:02
which means they're destined to break down into smaller and smaller pieces
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što znači da se razlažu na sve manje komadiće,
03:06
called micro plastics,
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zvane mikro plastikom,
03:08
which might rotate in the sea eternally.
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koji vječno mogu kružiti u moru.
03:12
But bottle three is spared the cruel purgatories of his brothers.
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No treća je boca pošteđena okrutnih čistilišta svoje braće.
03:17
A truck brings him to a plant
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Kamion ju odnese u tvornicu
03:19
where he and his companions are squeezed flat
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gdje su ona i njeni prijatelji stisnuti
03:22
and compressed into a block.
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i zbijeni u kocku.
03:24
Okay, this sounds pretty bad, too, but hang in there.
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Dobro, i to zvuči prilično loše, no samo pričekaj.
03:27
It gets better.
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Postane bolje.
03:29
The blocks are shredded into tiny pieces,
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Kocke su isjeckane u sitne komadiće
03:32
which are washed and melted,
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koje se opere i otopi,
03:33
so they become the raw materials that can be used again.
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pa postanu sirovi materijal koji se ponovno može iskoristiti.
03:37
As if by magic, bottle three is now ready to be reborn
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Kao magijom, treća boca može se preporoditi
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 skromnog podrijetla,
03:47
suddenly the sky is the limit.
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iznenada je samo nebo granica.
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