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Penguins exposed to DDT from melting glaciers

Decades after most countries stopped using the insecticide DDT, frozen stores of the chemical are now dripping out of melting Antarctic glaciers - and into penguins. A marine biologist in the US, who sampled DDT levels in Adlie penguins, is worried that the chemical could be an indication that other frozen pollutants may be released into the ecosystem from melting glaciers because of climate change. The low levels of DDT found in the study suggests a fresh source of DDT which had worked its way up the food chain from plankton to krill to penguins.


Contact: Claire Bowles
New Scientist

Page: 1

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