Saw this article today and thought of Slimcoin.  

Eco-crypto: 8 coins focused primarily on the environment
https://cryptoinsider.com/eco-crypto-list-coins-focused-environment/

Seems to me Slimcoin should be on such a list.  What do you guys think?  Looking at the big picture, do you suppose a Slimcoin-based economy would be better for the environment than one based on a staking-only coin?