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Terrawatch: the rivers taking plastic to the oceans Terrawatch: the rivers taking plastic to the oceans
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Just 10 river systems transport more than 90% of all plastic waste to the world’s seas, new research showsJust 10 river systems transport more than 90% of all plastic waste to the world’s seas, new research shows
Kate RaviliousKate Ravilious
Sun 5 Nov 2017 21.30 GMTSun 5 Nov 2017 21.30 GMT
Last modified on Mon 27 Nov 2017 14.17 GMT Last modified on Mon 29 Jan 2018 15.47 GMT
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Every minute one rubbish lorry’s-worth of plastic is dumped into the sea. If we continue at this rate, some estimate that our oceans will contain more plastic than fish by 2050. So where does all the plastic come from? New research reveals that just 10 river systems transport more than 90% of plastic waste to the world’s oceans.Every minute one rubbish lorry’s-worth of plastic is dumped into the sea. If we continue at this rate, some estimate that our oceans will contain more plastic than fish by 2050. So where does all the plastic come from? New research reveals that just 10 river systems transport more than 90% of plastic waste to the world’s oceans.
Rivers are the arteries of our planet. From tiny tumbling streams to vast sluggish deltas, rivers are the link between the atmosphere, land and oceans. Since time immemorial people have clustered near rivers, taking advantage of the fresh water, fertile land, ready-made transport links and plentiful fish. And of course rivers are also excellent conveyor belts for whisking rubbish away.Rivers are the arteries of our planet. From tiny tumbling streams to vast sluggish deltas, rivers are the link between the atmosphere, land and oceans. Since time immemorial people have clustered near rivers, taking advantage of the fresh water, fertile land, ready-made transport links and plentiful fish. And of course rivers are also excellent conveyor belts for whisking rubbish away.
By analysing how much plastic is carried by different rivers all over the world, and assessing the amount of littering in areas surrounding rivers, Christian Schmidt, of the Helmholtz Centre for Environmental Research in Germany, and his colleagues have shown that large river systems act as super-highways in transporting plastic to the sea. Their research, published in the journal Environmental Science and Technology, shows that 10 river systems, located in heavily populated regions where littering is common, carry more than 90% of the plastic that ends up in the oceans. Two are in Africa (the Nile and the Niger) while the other eight are in Asia (the Ganges, Indus, Yellow, Yangtze, Haihe, Pearl, Mekong and Amur). “Halving the plastic input from the catchment areas of these rivers would already be a major success,” says Schmidt in a press statement. Next the researchers want to investigate the speed at which plastic travels from land to sea.By analysing how much plastic is carried by different rivers all over the world, and assessing the amount of littering in areas surrounding rivers, Christian Schmidt, of the Helmholtz Centre for Environmental Research in Germany, and his colleagues have shown that large river systems act as super-highways in transporting plastic to the sea. Their research, published in the journal Environmental Science and Technology, shows that 10 river systems, located in heavily populated regions where littering is common, carry more than 90% of the plastic that ends up in the oceans. Two are in Africa (the Nile and the Niger) while the other eight are in Asia (the Ganges, Indus, Yellow, Yangtze, Haihe, Pearl, Mekong and Amur). “Halving the plastic input from the catchment areas of these rivers would already be a major success,” says Schmidt in a press statement. Next the researchers want to investigate the speed at which plastic travels from land to sea.
RiversRivers
TerrawatchTerrawatch
OceansOceans
PlasticsPlastics
GeologyGeology
featuresfeatures
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