What if one were to create a PoW based alt coin that automatically pays part of the block reward to an environmental organization offsetting PoW-caused CO2 emissions?
The problem is of course finding consensus on which organization to support, but IMO that's probably easier to solve than the double-spend problem as the incentives are less mis-aligned. At worst you would have a developer-based "dictatorship" where devs would decide on which organization to support, but that still wouldn't be much different from alts where a predetermined, transparent percentage of newly issued currency goes into a dev fund, only it would be a CO2 fund instead.
As for which environmental organization to support, there's already a couple of well-vetted non-profit organizations that help people off-set their air-traffic-caused CO2 emissions on a voluntary basis such as atmosfair: https://www.atmosfair.de/en/
In theory one could also try to get this into a Bitcoin hard fork but let's not kid ourselves.
What would be everyone's thought on this?
Some other idea to change POW algo to something useful like SETI or the idea of Medicoin. Buit this not really work