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Anyone who doesn't believe in global warming has his head in the sand. The science is overwhelming. The scientific community has no doubt whatsoever that the climate is warming. It's not a case of believing in it or not; it is.
The exact proportion of the warming trend that is man made is not proven, but the fact that greenhouse gasses produced by human activity are, in fact, contributing to the warming trend is also scientifically indisputable.
Canada and the U.S. are the biggest contributors of greenhouse gasses on a per capita basis. Continued production of greenhouse gasses will worsen an economic and social disaster of such proportions that it will make the economic and social price of reducing our emissions look like peanuts.
We are fools if we don't act to reduce our contribution.
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