That effort is completely abandoned because of the current US administration and POTUS a situation that big tech largely contributed to. It’s not AI that is responsible for the 180 zeitgeist change on environmental issues.
Yes, much like it's not the gun's fault when someone is killed by a gun. And, yet, it's pretty reasonable to want regulation around these tools that can be destructive in the wrong hands.
What're the long term consequences of climate change? Do we even care anymore to your original point?
Don't get me wrong, this field is doing damage on a couple of fronts - but climate change is certainly one of them.