[JRandomFreeper]

, is the main greenhouse gas responsible for climate change.

That's a lie right there. Water vapor is the main greenhouse gas.

/johnny

[MrB]

Man’s CO2 contribution to the greenhouse effect is 0.117%.

Naturally occurring water vapor contributes 95%.

http://www.geocraft.com/WVFossils/greenhouse_data.html

[HiTech RedNeck]

And methane is more potent than CO₂.