It is insane to waste energy on mining bitcoin in the age of peak oil where greedy energy companies destroy nature for profit.
Canada, before and after tar sand mining:
Shire v Mordor,Shire
Using a fixed money base requires consensus before you can raise capital to invest in destroying your environment.
Mordor
Using elastic Fractional reserve Fiat system allows you to amass recourses without consent, and exploit the environment and pay back an artificial money supply with interest.
As someone who has invested over a decade in solving environmental problems, deflation is the necessary market driven tool that can encourage environmental sustainability.
The Bitcoin mining problem you see is a result of high profitability, and waste heat when the mining becomes less profitable in 2016 will be an output for a new industry, there will be a huge shift to being efficient, the mining waste will be put to use and only the sustainable will win in the end.
I have used suppliers in other parts of the world whose only profit comes form recycling 100% of their waste. These are the people who are more productive in the long run, they are the ones who take jobs from the more wasteful.
Our way of live is driven by 2.5% targeted growth, despite our needs; our monetary system incentivises corporations to employ people like me to create more want to keep consumption at a steady 2.5% growth, this growth is just another form of malinvestment.