That's not what "the experts" say.
There is absolutely no "consensus" on if our current "warming" is
reversible. What consensus that does exist suggests that we will be
spending trillions to make but a couple hundredths of a percent
difference; hardly worth the trouble.
I know your not a fan of ethanol, which is why I use it as an example.
Why do you think that any other government mandated/ run policy
would be any different or better?