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I’ve said for years that if one is serious about stopping the increase in CO2 emissions and reducing fossil fuel use, having even one child (who will likely reproduce geometrically) is the most damaging thing a person could do. If your reduce your own fuel use and CO2 emissions by 90%, yet have 4 children, you have in fact made the problem a hundred times worse, at the least, in the long run. But people are selfish, even those who think they want to save the planet.

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