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Ringing in the `Age of Plastic`

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Washington : Earth is entering an ‘Age of Plastic’. Thanks to the human impact.

Planet Earth’s oceans and lands will be buried by increasing layers of plastic waste by the mid-century due to human activity, according to the University of Leicester research that examines the evidence that we now live in the Anthropocene, an epoch where humans dominate the Earth’s surface geology.

Jan Zalasiewicz explained that plastics were more or less unknown to our grandparents, when they were children. But now, they are indispensible to our lives. They’re everywhere, wrapping our food, being containers for our water and milk, providing cartons for eggs and yoghourt and chocolate, keeping our medicines sterile. They now make up most of the clothes that we wear, too.

Zalasiewicz added “Plastics are also pretty well everywhere on Earth, from mountain tops to the deep ocean floor – and can be fossilized into the far future. We now make almost a billion tons of the stuff every three years. If all the plastic made in the last few decades was clingfilm, there would be enough to put a layer around the whole Earth. With current trends of production, there will be the equivalent of several more such layers by mid-century.”

The study suggests that plastics have such a long-lasting impact on the planet’s geology because they are inert and hard to degrade. As a result, when plastics litter the landscape they become a part of the soil, often ending up in the sea and being consumed by and killing plankton, fish and seabirds.

Plastics can travel thousands of miles, caught up in the ‘great oceanic garbage patches’, or eventually being washed up on distant beaches. Plastics can eventually sink to the sea floor, to become a part of the strata of the future.

Zalasiewicz added that once buried, being so hard-wearing, plastics have a good chance to be fossilized and leave a signal of the ultimate convenience material for many million years into the future. The age of plastic may really last for ages.”

The study appears in Anthropocene. (ANI)

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