"Cowboys and cowgirls recognize CO2 as the plant-fertilizing “gas of life” and CH4 as natural gas and cow farts. Scientists will tell you carbon dioxide is 0.0387% of Earth’s atmosphere and methane is 0.000179 percent. Anyone with an eighth grade economics education or ounce of common sense knows CO2 is what results when CH4 heats homes, generates electricity, fuels cars and factories, and makes our health, welfare and living standards possible."
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