A group of high-level climate diplomats — including Christiana Figueres, who led the UN climate talks in Paris in 2015 — released an open letter Friday in the midst of COP29 calling for urgent reform of the summit process.

As delegates from nearly 200 countries gather for a major international summit on climate change, they're confronting a new era of uncertainty for the U.S. under a second Trump administration.

Activists rallied around a shared feeling of exclusion from the formal COP process and concerns that the solutions that come out of it are harming their communities.

Cop29: Ask our climate correspondent anything amid summit in Azerbaijan - ASK ME ANYTHING: Our climate correspondent Stuti Mishra is on hand to answer your questions as the UN’s 29th annual climate summit in Baku brings together world leaders,

While many passionate youth want to protest, this is the third straight COP summit in an authoritarian country with tighter controls on protests and speech