News tagged with biogeochemistry

Oxygen's challenge to early life

The conventional view of the history of the Earth is that the oceans became oxygen-rich to approximately the degree they are today in the Late Ediacaran Period (about 600 million years ago) after staying relatively oxygen-poor ...

dateJan 05, 2011 in Earth Sciences
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Catastrophe in Hungary was avoidable: researcher

In Hungary, as in many parts of the world, toxic bauxite sludges created during aluminium production are stored in the open air. Prolonged rainfall probably pushed the collection pond to its limits. The dam failure has now ...

dateOct 13, 2010 in Environment
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Extreme weather events fuel climate change

When the carbon dioxide content of the atmosphere rises, the Earth not only heats up, but extreme weather events, such as lengthy droughts, heat waves, heavy rain and violent storms, may become more frequent. Whether these ...

dateAug 14, 2013 in Earth Sciences
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