https://motherboard.vice.com/en_us/article/7xmvbq/bitcoin-energy-science-world-electricity-demandNow Motherboard is not the best source for news, but let's consider the implications of this...
Consuming immense amounts of energy is actually somewhat counterproductive if we consider the vision of Bitcoin giving us tools for independence. And it's somewhat unethical because we should not be using more than we need on this earth.
However, we don't really know how much energy it is consuming at this stage, so this could just be another reporter trying to find a story.
Cryptocurrencies mining operations need tremendous energy, reaching 19.2 TWh in 2010 .
This information is contained in whitepaper for a green energy project
Either the solution must be on more than one way
The transition of companies from ordinary sources of energy to renewable energy
Use blockchain in power projects because they offer great advantages.