>Cutting back on CO2 emissions would clearly work, but it’s expensive and painful. This is so painfully backwards. "Saving the Planet" doesn't mean spending tons of money and doing tons of work, quite the opposite. The absolute best thing for the Planet would be for every human being to do nothing at all. Stop driving, stop working, stop eating entirely, and then things will quickly recover. Obviously that's a bit ex…
You are setting up an opposition between strategy groups 1 and 4, but ignoring the existence of the other two groups. But group 3, the Bright Green group, is where all the action is!