Space Ring Could Shade Earth and Stop Global Warming:
http://www.livescience.com/technolog..._solution.html

Inject Sulfur into Air to Battle Global Warming:
http://www.livescience.com/environme...ct_sulfur.html

Longer Airline Flights Proposed to Combat Global Warming:
http://www.livescience.com/environme...l_climate.html

All About Global Warming:
http://www.livescience.com/globalwarming/