Greenhouse gases/Total gasses

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Greenhouse gases cause the warming that has some Scientists, Politicians, and Environmental activists predicting dire consequences if we don’t stop using fossil fuels, because fossil fuels produce C02, a greenhouse gas.

96.9% of the greenhouse gas trapping heat in the atmosphere consists of water vapor. C02 is responsible for 1.9% of that, and man-made C02 is under 1%. So around 1% of man-made C02 as a greenhouse gas is responsible for warming.

Water vapor is the largest contributor to the Earth’s greenhouse effect. On average, it probably accounts for about 60% of the warming effect.

All gases in the Atmosphere:

Formula Percent Volume Nitrogen N2 78.08%

Oxygen O2 20.95%

Water* H2O 0% to 4%

Argon Ar 0.93%

Carbon Dioxide* CO2 0.0360%

Neon Ne 0.00 18%

Helium He 0.0005%

Methane* CH4 0.00017%

Hydrogen H2 0.00005%

Nitrous Oxide* N2O 0.0003%

Ozone* O3 0.000004%

* gases with variable composition

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