Ethereum emits around 20 ktCO2/day, similar to 2–3 coal power plants. Estimated from hashrate, GPU efficiency, miner location, and more. — This summary assumes some familiarity with Ethereum. The full article explains in more detail and the tracker shows realtime stats. The crypto art boom of early 2021 saw the digital arts scene come apart at the seams, triggered by the question: is proof-of-work bad for the environment? Factions emerged quickly…