Department research in Siberian caves indicates history and future risk of Siberian thawing

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Caves point to thawing of Siberia

Evidence from Siberian caves suggests that a global temperature rise of 1.5 degrees Celsius could see permanently frozen ground thaw over a large area of Siberia, threatening release of carbon from soils, and damage to natural and human environments.

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You can read the abstract of the paper at: http://www.sciencemag.org/content/early/2013/02/20/science.1228729.abstract

You can read some press related coverage here:

http://www.guardian.co.uk/environment/2013/feb/21/temperature-rise-permafrost-melt

http://www.abc.net.au/science/articles/2013/02/22/3695985.htm

http://www.scientificamerican.com/article.cfm?id=siberian-caves-reveal-permafrost-thaw

http://www.sciencedaily.com/releases/2013/02/130221143910.htm

http://www.smh.com.au/environment/climate-change/small-warming-may-trigger-big-permafrost-thaw-report-20130222-2ev20.html