Global warming is the biggest hoax of all times.
Earth has gone through many different ages many times, hot ages, ice ages, and each time, for millions of years. We, with peanut brains think, we know earth. we don't.
It has amazing capacity to adjust itself against all odds. All its environmental changes happen due to its nucleus, the sun. Burning gases on Sun go through changes, which effect every thing on earth. Sun activities directly effect center of earth, which make changes on the surface.
Earth's land portion, which is itself 20% of the ball, is only 30% inhabited so far. So in fact it is just 6%, which is occupied and buzzing on the ball. How this 6% can destabilize earth temperatures in just 150 years of industrial age from the total 10k of the pre-to present human age. How unthinkable.
Its all agendas for money, fame or geo political reasons. AlGore is one of them. Last time, Bush did not sign Keto pact, because India and China refused. They have their population's life on stake on basic primitive industry. Now lets see, what happens in Copenhagen. May be Obama's charm work, or his arm twisting, but i doubt. If he fails, it will be one more punch on his stature. I suppose, he is getting use to it, like loosing Olympics for Chicago.