Climate Change under the Microscope in Report, Leaked IPCC Draft

National Geographic: As lawmakers in Washington, D.C., debate the so-called fiscal cliff--when U.S. federal tax increases and spending cuts are due to take effect at the end of 2012--new research in the journal Nature Climate Change says we are already at the edge of a climate cliff. It explores the cost and risk associated with surpassing critical emissions thresholds by 2020, and what would need to take place to keep global temperatures from rising above 2 degrees Celsius--a mark many regard as the limit to avoid the...

URL: http://newswatch.nationalgeographic.com/2012/12/20/climate-change-under-the-microscope-in-report-leaked-ipcc-draft/