Increasingly scarce water supplies are among the risks for future wars – a finding that may be of particular concern to host country Azerbaijan, which depends on upstream sources outside of its borders for most of its water.

Money is a central focus of the climate talks being held in Azerbaijan and the success of the summit is likely to be judged on that goal.

COP29, this year's biggest environmental conference, is now underway. Here is how leaders from around the world are coming together to advance global climate efforts.

"However, we cannot forget the fact that the current climate situation of the world is the result of the industrial policies of (a) few developed countries and developing states shall not be deprived of their right to development because of what others have done.

A coalition of world leaders from industrialized nations and climate-vulnerable countries at the UN Climate Change Conference in Baku called for more ambitious climate funding on Wednesday. "Trillions of dollars are required.