You should look into buying some token for this one -->
https://www.moonlite.io/ -- The ICO was completed, but there are
still some MNL Tokens available. 100% of the energy consumed is generated by using Hydro, Geo-Thermal, and Wind
sources. The MoonLite Project will base its first mining operation in data center capital of the world, Iceland. I think this one
might be very successful.