World TeraHash x Bitcoin Average J/THash = Watts.
346,715,348 x 26.9 = 9.3 GW
Bitcoin Power Consumption = Watts x Hours/year
Power: 81.8 TWh per year
Bitcoin CO₂ = Power x gCO₂/kWh
CO₂ (Scope 2): 81.8 x 217 = 17.7 Mt per year
17.7 - 1.6 Mitigation = 16.1 Mt per year
PV