Global Warming weekly update

Climate zones will shift as world gets warmer...

http://www.sciencedaily.com/videos/2007/0902-our_changing_climate.htm

Scientists now able to link carbon emissions directly to global warming. To limit warming to a 2 degree Celsius rise above pre-industrial, carbon emissions must be limited from now until forever to half a trillion tonnes of carbon, about the amount emitted since the start of the industrial revolution until now..

http://www.sciencedaily.com/releases/2009/06/090610154453.htm