Europe's oldest lake traces 1.36 million years of climate

By analysing sediment cores from the bed of Europe's oldest lake, an international team of scientists has created a detailed climate history of the north-central Mediterranean stretching back 1.36 million years—and revealed ...

Greenhouse gas 'feedback loop' discovered in freshwater lakes

A new study of chemical reactions that occur when organic matter decomposes in freshwater lakes has revealed that the debris from trees suppresses production of methane—while debris from plants found in reed beds actually ...

Mercury contamination prevalent in western North America

Mercury contamination is widespread across western North America in the air, soil, lake sediments, plants, fish and wildlife, according to an international research team that included a University of Michigan biologist.

New record from stalagmites shows climate history in Central Asia

The climate in Central Asia, currently a semiarid region, has varied over the past 500,000 years. An accurate record of the past climate can help scientists understand current climate and better predict how the climate may ...

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