Global warming is true
damaurea f. brook h. irvin g.
The main cause of global warming
The main causes climate change sun the ground to warm and the ground becomes warm and when the ground warms Co2 the suns radiation is the main cause of our climate. Global mean land temputure change from 1850 to 2011 relative to the 1951 to 1980 mean. In the U.S the mass media devoted little coverage to global warming until the drough of 1988.
let me tell you a little more ...........
Why the sun causes global warming
we can also cause global warming by polluting our air and releasing Co2 into our air. this mainly happend in the 1980's when everybody was using alot of hairspray. The hairspray had CFC's so when you use the hairspray the CFC's are being released. In 2009 the earth started getting warmer. In 2009 the earth was getting warmer because of human activity 1/4 of the U.S belived that Global warming was caused by people.. people can also pollute the air by smoke coming out of buildings of cars.