At New York Climate Week, artificial intelligence emerged as the central topic of debate. World leaders, investors, and advocates gathered to discuss AI's dual role in climate action. UN Secretary-General António Guterres warned that AI could either help solve the climate crisis or exacerbate it.

As global emissions targets slip, the urgency for rapid decarbonization and carbon removal grows. AI's energy demands are driving a massive buildout of electricity infrastructure, attracting significant investment. Global climate-tech venture capital reached $26 billion in the first half of 2026, a 55% increase from the previous year, with data centers receiving a major share.

While startups in nuclear, geothermal, wind, and solar benefit from deals with Google, Meta, and others, investment in carbon management and low-carbon fuels has plummeted. Tech giants like Microsoft, Google, and Meta have seen their emissions rise due to data center growth. Despite optimism from experts like Evelyn Wang of MIT, who believes data centers could achieve net-zero emissions within a decade, the immediate surge in natural gas power plants raises concerns.

Public pushback is increasing over pollution and noise near new facilities, highlighting the tension between AI advancement and climate goals.