For the electricity of all data centres, the International Energy Agency forecasts 945 TWh, or 2.1 times France's consumption, and the Shift Project up to 1,500 TWh, cryptocurrencies included. For AI alone, GreenIT forecasts 1,169 TWh and 636 million tonnes of CO2 equivalent: an upper bound, which assumes that all the graphics cards forecast are sold, installed and used.
Read the source article: Environmental impact of AI: climate, energy, water, metals