Saturday, 16 March 2013

New Research Tracks 11,300 Years of Climate


Winnipeg Free Press
Scientists have a good sense of what the Earth’s climate has been like over the past handful of centuries. But what about many thousands of years back? Details here.

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Agriculture replaces fossil fuels as largest human source of sulfur to the environment

PHYS ORG A PinP photo. Historically, coal-fired power plants were the largest source of reactive sulfur, a component of acid rain, ...