Department research in Siberian caves indicates history and future risk of Siberian thawing
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.
Read the full press release.
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