Ocean floor a 'reservoir' of plastic pollution, study finds

New research from CSIRO, Australia's national science agency, and the University of Toronto in Canada, estimates up to 11 million metric tons of plastic pollution is sitting on the ocean floor. The article, "Plastics in the ...

How whales struggle to navigate in a sea of noise pollution

In 1490, Leonardo da Vinci wrote, "If you cause your ship to stop and place the head of a long tube in the water and place the outer extremity to your ear, you will hear ships at a great distance from you."

Plastic 'interceptor' tackles trash in Bangkok river

Black flies exploded into the air as plastic waste fell from bamboo conveyor belts into skips on a solar-powered barge attempting to remove rubbish from the main river of Thailand's capital Bangkok.

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Pollutant

A pollutant is a waste material that pollutes air, water or soil, and is the cause of pollution.

Three factors determine the severity of a pollutant: its chemical nature, its concentration and its persistence. Some pollutants are biodegradable and therefore will not persist in the environment in the long term. However the degradation products of some pollutants are themselves polluting such as the products DDE and DDD produced from degradation of DDT

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