Bitcoin will save our earth.

In Bitcoin’s case, the novel technology provides energy producers a radically new way to monetize energy, and as a result it will permeate every energy production site across the globe. This will push down the profitable price of energy for all miners, driving more energy efficiency as wasted, stranded and renewable sources with near-zero (or below zero) energy cost are sought out to power mining facilities.

https://bitcoinmagazine.com/business/bitcoin-will-save-our-earth