Good points. Don't have kids myself so can only imagine how your perspective on these things would change if you had their futures to consider as well.
Most people are so divorced from any contact with the 'natural' ie: non-human world nowadays, at least in the West, that environmental crises aren't felt as a real issue affecting them directly. I think of it like how settler colonists must feel about atrocities perpetrated against the native population on their behalf - something they're dimly aware of but have to block out or find a way to justify. But anyway it's not any of their friends or family who are getting killed, so they can convince themselves that everything' actually okay. Until one day it isn't...