Honestly, what is global warming???? I%26#039;m always hearing about global warming but to be honest I really have no idea what it is, more importanly I%26#039;m not sure why people are so concerned about it??? As you can tell I am clueless as to what this is but obviously its something important since people are talking about it!!!!!?!?
2 http://www.nasa.gov/centers/goddard/mpg/...
3 http://www.sciencedirect.com/science?_ob...
4 http://www.sciencemag.org/cgi/content/ab...