It's becoming much cheaper to suck carbon dioxide from the air

No it isn’t.

The problem is not too many people. We have enough for everybody. The problem is inequality, greed and waste.

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Just to hold atmospheric carbon stable, given current industrial emissions, you’d need to plant a few billion trees per year. Every year. Forever.

Trees are nice and all, but they ain’t gonna solve this. For that, you need to permanently shut down every coal mine and oil well on the planet. Yesterday.

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