New data on Bitcoin mining

Tl;dr version

1. 47.7% of mining now done in US

2. US net emissions from bitcoin are proportionately lower at 39.7% of global bitcoin emission

3. Cambridge model appears to overestimate Bitcoin electricity consumption

4. Bitcoin mining already is highly transparent

Detailed breakdown:
https://batcoinz.com/new-insights-on-bitcoin-mining-and-sustainability/