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Ecology: The tundra warms and grows
14 Oct 2010

Highly read on esajournals.org in September

The effects of climate change on tundra in the high Arctic are chronicled in this study by James Hudson and Greg Henry of the University of British Columbia in Vancouver, Canada.

Canadian IPY News
27 Sep 2010

'Canadian International Polar Year News' provides up to date news releases and speeches.

ArcticNet in the News
24 Sep 2010

'ArcticNet in the news' provides complete and up to date news articles regarding any ArcticNet research. News releases are available from 2003 through 2010.

IPY News and Announcements
24 Sep 2010

'International Polar Year News and Announcements' provides monthly reports.

A geoscientist is astounded by Earth's huge frozen carbon deposits.
30 Nov 2009

Laboratory of Climate and Environmental Sciences, Gif sur Yvette, France

A geoscientist is astounded by Earth's huge frozen carbon deposits.

I believe that the vulnerability of soil carbon to warming is one of the largest sources of uncertainty in the projection of future climate change. If, in a warmer world, bacteria decompose organic soil matter faster, releasing carbon dioxide, this will set up a positive feedback loop, speeding up global warming.