According to the GreenIT association, whose assumptions are high, AI emitted 99 million tonnes of CO2 equivalent in 2025, or 0.17% of global emissions, and would emit 636 million in 2030. The International Energy Agency counts 180 million tonnes of CO2 in 2024 for the electricity of all data centres, whether or not they serve AI. Per use, with global average electricity, a question emits about 0.13 gCO2e, an image 1.3 g and a 5-second video 39 g.
Read the source article: Environmental impact of AI: climate, energy, water, metals