@DanaRohrabacher Basic arithmetic. Before: ~280ppm. Now: ~400ppm.
Our contribution: 120/400=30%. Increase=120/280=43%.
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Replying to @ClimateOfGavin
@ClimateOfGavin numerous scientists testify human contribution to CO2 level is between 10 and 20%. CO2 is minuscule part of atmosphere12 replies 2 retweets 0 likes
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