• The Greentech story notes that as the price of the currency rises, so does the incentive to invest in more energy-hungry equipment to mine it.
• "I’m not entirely sure what will happen to energy consumption net-net, but it will be very interesting to see how many miners drop out of the market in this downturn," Jesse Morris of the Energy Web Foundation says in the story.

What's next: Companies are looking at ways to make cryptocurrencies more environmentally sustainable.

• A Harvard Business Review piece this week looks at ways to make Bitcoin mining greener.
• And this morning, the website CoinDesk reports that tech giant Intel has been awarded a new patent for a mining efficiency technology.

Go deeper:

• No, Bitcoin won't destroy our climate by 2033
• Utilities strained as blockchain's energy appetite continues to grow