I set out the case, and offer a course of action. My old friends will have heard it all, in various versions, but perhaps a new summary is still worthwhile. And you may see fit to spread the word that yes, we need urgent, effective action.
There is a Buddhist saying: “The best time to plant a tree is 250 years ago. The second best time is NOW.” Action to prevent the 6th extinction event of earth should have been taken in the 1970s. The second best time is NOW.