On the other hand, knowing that you will live to see the effects of climate change might be a great motivator to solve the problem, especially if it has the potential to cut short your infinite life. Eternal life may make us incredibly risk averse.

> It would make the population boom of the last century and associated wide-spread destruction of the natural environment look like a picnic.

How much of the population growth is caused by our mortality and the desire to "live" forever? A lot of it was almost certainly because children were the retirement plan before the aged pension became a thing.