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Showing results for tags 'water vapor'.
For the last four or five decades, atmospheric carbon dioxide has increased (gasp!) at a rate of approximately 1.3 parts per MILLION volume (ppmv). Today, that concentration is slightly over 400 ppmv. Compare this with atmospheric water vapor which is roughly 15,000 ppmv. Not only is water vapor THE dominant greenhouse gas from a quantitative point of view, but qualitatively, water vapor absorbs more light energy than carbon dioxide, ceteris paribus. To counter this science that so infuriates climate change proponents, they have created a lexicon of confusion. "Oh water vapor falls ou