John Houghton, chairman of the IPCC's science working group, lends his personal support to the idea of stabilising CO2 in the atmosphere at twice preindustrial values, or around 1.2 trillion tonnes, by the end of the next century. (newscientist.com)
And fire severity is already increasing in many forests due to climate change — what is now thought of as a drought in some locations may be considered average by the end of the next century. (sciencedaily.com)
One recent modeling study focused on this mode of instability estimated that the Antarctic ice sheet has a 1 - in - 20 chance of contributing about 30 centimeters (1.0 feet) to global average sea - level rise over the course of this century and 72 centimeters (2.4 feet) by the end of the next century. (impactlab.org)