Water Vapor and Planetary Temperature

Anthony at Watts Up With That has some interesting graphs regarding water vapor and planetary temperature. As he points out:

It is generally accepted that the rank of important greenhouse gases is:

water vapor and clouds which causes up to 70% of the greenhouse effect on Earth.

carbon dioxide, which causes 9–26%

methane, which causes 4–9%

ozone, which causes 3–7%

Note the range of uncertainties, on water vapor some say the percentage goes up to 90% with reduced numbers on the other three.

I became aware of the role of cosmic rays in the role of cloud formation after reading papers by Henrik Svensmark.

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