Thread: Al Gore, Global Warming, And The Burden Of Proof

Originally Posted by raycarey

why hasn't john l answered these very simple questions...

Originally Posted by Hootad Binky

1) Do greenhouse gases contribute to global warming?
2) Has human activity dramatically increased the level of greenhouse gases in the atmosphere?
3) Are the poles melting?
4) Are sea levels rising?
5) Is desertification increasing?

Yeah? So what? The climate is changing and will continue to do so as it has for the past 4.5 Billion (that's billion with a B) years. There's no scientific proof that MMGW exists...