Global warming is one of the biggest hoaxes of our time. There is so much discrepancies in it and way it is reported. For example when they compare the temps to that of say 50 years ago. They have closed down thousands of reporting stations that use to be in operation 50 years ago. Which manipulates the temp averages. Also use to maybe a temp reading in a region was taken in middle of a hay meadow but now it is taken at an airport which reports higher temps.
Then media jumps on the Hurricane band wagon as proof, but if you look at history there was more reported hurricanes in 1911-1920 than there was in 1991-2000
http://www.nhc.noaa.gov/pastdec.shtml in 1911 I am sure the few cars and trains going were not causing global warming.
Cows and even Man for that matter our such a minute speck on this earth and the great power that God gave it to cleanse itself.
It is all just a hype much like Sars, Bird flu, just something to get people worked up over so they will Vote for Al Gore when he runs again. And suck money out of us.
They say we are loosing forest but actually we have more forest now than we did 50 years ago. Just they only use natural forest land in their figures and do not count all the millions of acres of trees planted by the conservation department.