Carbon dioxide and Global warming

Two NY Times articles about carbon dioxide levels of the earth... As educated people, you should at least be able to say, you have heard about the Keeling Curve.


Temperature Rising
A Scientist, His Work and a Climate Reckoning
http://www.nytimes.com/2010/12/22/science/earth/22carbon.html?_r=1&ref=globalwarming


Scripps Keeling Curve Lessons:
http://scrippsco2.ucsd.edu/program_history/keeling_curve_lessons.html 

 

http://www.nytimes.com/imagepages/2010/12/22/science/earth/22carbon-graphic.html?ref=earth