RedOrbit: More evidence is pointing to the nightmare scenario that global warming is taking a toll on our planet.
Oxford University scientists say that a global temperature rise of 2.7 degrees Fahrenheit could thaw the ground over a large area of Siberia, threatening the release of carbon from soil.
If the thawing of Siberia`s permafrost occurs, it could see that over 1,000 gigatons of the greenhouse gases carbon dioxide and methane are dished out into the atmosphere, adding an even larger global warming...