AI dominates Climate Week NYC, but the climate crowd is split on whether it helps or hurts

AI is dominating the conversation at Climate Week

AI is the unavoidable topic at this year's Climate Week NYC. UN Secretary-General Guterres framed it as a double-edged sword: AI could help solve climate challenges or make them worse. Optimists point to faster catalyst discovery and clean-energy deals for nuclear, geothermal, and solar from Big Tech. Pessimists highlight the natural-gas buildout and rising emissions at Microsoft, Google, and Meta. Global climate-tech VC hit $26B in H1 2026, up 55% year-on-year, but carbon management and low-carbon fuels saw investment drop. UN climate chief Stiell warned that AI leaders are losing public support fast. The article does not quantify AI's net emissions impact.