Real Climate Change with Dr. Paul Homan Part II

*You do the Math: CO2 represents about .04% of Earth's atmosphere, or 400 parts per million, (ppm), Methane is .00017%, or 1.7ppm, and Water Vapor accounts for 2% of Earth's atmosphere, or between 20,000 - 100,000 ppm. Why do media climate change charts leave out the water vapor? Find out!