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Hardware Intensity of Crypto Mining vs AI Generation

Executive summary Crypto mining based on proof‑of‑work (PoW) and modern AI generation both depend on highly specialized compute infrastructure, but they concentrate hardware and energy in very different ways. Bitcoin mining alone consumed on the order of 120–175 TWh per year in 2023–2025, roughly 0.2–0.9% of global electricity use, with more recent Cambridge estimates around 138 TWh and 0.5% of global demand. Global data centres, by contrast, consumed about 415 TWh in 2024 (around 1.5% of world electricity), with the International Energy Agency (IEA) projecting a rise to about 945 TWh by 2030 and identifying AI as the main driver of that growth. On a per‑operation basis, PoW mining deliberately burns energy in an open‑ended hash race, while AI hardware delivers orders of magnitude more useful computation per joule but is deployed across rapidly scaling fleets of accelerators.[1][2][3][4][5][6][7][8] The hardware intensity of PoW crypto is characterized by highly application‑specific ...
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Generative AI's Total Footprint

Generative AI's total footprint (electricity, water, emissions) is real and growing fast — projected at roughly 80 million tonnes of CO₂ in 2025 and hundreds of TWh of electricity by 2030 — but it remains a small fraction of global totals (data centers ~1-2% of world electricity today, with AI as a major but not dominant driver yet). These comparisons focus mainly on climate change (CO₂/GHG emissions), energy use, water stress, and habitat destruction, using recent estimates. Electricity & heat production (whole sector) Accounts for 30-34% of global GHG emissions ( 16-17 Gt CO₂/year). That's orders of magnitude larger than AI's entire footprint. Transportation (cars, trucks, aviation, shipping, etc.) 14-16% of global emissions ( 8 Gt CO₂/year). Aviation alone emits far more annually than all current generative AI operations. Agriculture & livestock farming ~11-12% of global emissions, plus massive methane from cattle, deforestation for pasture/feed crops, and hug...
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