Hi Nathan,
That's a fair question, but note that we've already had a bunch of "green mining" related posts a few months ago, so I suspect you'll be able to find many criticisms to this idea in the following thread:
It also looks like you'll be able to find some related answers on Bitcoin Stack Exchange:
And generally speaking these types of discussions don't end up being very fruitful for bitcoin-dev, because these are the types of changes that are unlikely to ever be seriously considered for Bitcoin.
Cheers,
Ruben