How much will Americans have to tithe to this religion?

You hit on a key component of the cult of global warming. It's a tool of the Bolshevik movement to destroy capitalism (i.e. America) by bleeding it economically, instilling a sense of proufound (though false) guilt, and hammering away at our freedoms and culture of progress. What the Soviets couldn't do with 1,000,000 tanks and 30,000 nuke missiles, the enviroterrorists will do with hysterics about some arrogant claim that my SUV can destroy an entire planet.