Global Education Project EARTH
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Historical Temperature And Major Greenhouse Gasses


Historical Temperature and Major Greenhouse Gasses CO2 concentrations are well above historic maximum levels.* The GWP (Global Warming Potential) of methane gas (CH4) is greater than the GWP of CO2. Warming could release vast quantities of CH4 from thawing tundra and seabed methane hydrates. *Levels...


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