AI dominates the conversation at Climate Week

At New York Climate Week and the UN General Assembly, AI became the central topic: Secretary-General António Guterres said AI could either solve climate challenges or worsen them. Climate-tech VC investment hit $26 billion in the first half of 2026, up 55% year over year, while emissions at Microsoft, Google and Meta keep rising due to data centers.

• Guterres: AI could help solve climate challenges or make them worse
• Climate-tech VC investment reached $26B in H1 2026, up 55%
• Microsoft, Google and Meta emissions rise on data center demand
• UN climate chief Stiell: public support for AI leaders is sinking