Savings into a Green EFT via /r/wallstreetbets #stocks #wallstreetbets #investing

I wanted to run this by people who understand the industry instead of me making a move based on my limited knowledge. I'm using a UK company (Nutmeg) to manage my savings and I've seen good returns at a very low management cost. However looking at the performance of some green ETF's this year I feel like there's where the expontenital growth is going to be for the foreseeable. Any thoughts?