[Sherman Logan]

wouldn't reducing CO2 to near zero mean the end of life on earth as we know it?

Yes, But that's not what the guy is talking about. He talking about reducing net emissions to zero so that CO2 concentrations don't keep climbing.

Not very practical, but not insane.

[chaosagent]

Yes, But that’s not what the guy is talking about. He talking about reducing net emissions to zero so that CO2 concentrations don’t keep climbing.

Not very practical, but not insane.
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But doesn’t that mean you’d have to start killing off people at some point, as the population increased.?

Oh, that’s right. He wrote a paper about that.