global warming

http://www.buzzle.com/articles/what-causes-global-warming.html

global warming

http://yosemite.epa.gov/oar/GlobalWarming.nsf/UniqueKeyLookup/SHSU5BWJM2/$File/whatisgwprimer.pdf

hey world do you ever wounder how the world gets hot, well for our first project in math chemistry/humanities we are doing global warming.