With the increasing worries about global warming, Bitcoin is in an awkward situation were the amount of energy the network is consuming is a huge deal. And with Bitcoin becoming more and more valuable more people will want to mine it... Efficiently.
This will cause an influx of new ideas from people who did not necessarily care before about global warming and creating a renewable source of energy to help mother earth.
But instead they care so much about Bitcoin and they want it to evolve into mass adoption at some point in the future. Now we are talking about people with brains and money and power and these people are now thinking Bitcoin energy efficiency, Because if Bitcoin reaches mass adoption the amount of energy the network would be consuming considering the increasing difficulty would be GIGANTIC.
So good news for mother earth!
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From @bobhaddad