Tundra News

Friday, July 10, 2009

Arctic Climate Under Greenhouse Conditions In The Late Cretaceous

New evidence for ice-free summers with intermittent winter sea ice in the Arctic Ocean during the Late Cretaceous -- a period of greenhouse conditions -- ...  > full story

New NASA Satellite Survey Reveals Dramatic Arctic Sea Ice Thinning

Arctic sea ice thinned dramatically between the winters of 2004 and 2008, with thin seasonal ice replacing thick older ice as ...  > full story

Protecting Polar Bears With New Tracking Methods

A new approach to tracking polar bears will shed more light on the potentially endangered Arctic animal and help boost the economy of Canada's north. ...  > full story

Super-size Deposits Of Frozen Carbon In Arctic Could Worsen Climate Change

The vast amount of carbon stored in the Arctic and boreal regions of the world is more than double that previously estimated, ...  > full story
 

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Lightning: Fact or Fiction?

To study lightning, scientists use rockets connected to the ground by wires. They fire the rockets into clouds, triggering electrical discharges, and. ...  > full story

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