Quote:
Originally Posted by All Darc
.....but it would require melt antartic ice (repreents 90% of world ice), all of it, and that's quite impossible..... ...... if temperature was changed up to melt everthing, Earth would be a steam room.
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As AGW warms the Earth's biosphere, the atmosphere can hold more water vapor (one of the greatest GHGs), the first step toward a steam room. Therefore, water vapor is NOT the darling molecule of AGW deniers, refuting AGW, but one of the greatest bio-feedbacks of AGW.