UN climate chief warns humanity has 2 years ‘to save the world’ 

FILE - A man carries a plastic bucket across the cracked bed of a dried-up pond in Vietnam's southern Ben Tre province, March 19, 2024. Simon Stiell, executive secretary of the UN Framework Convention on Climate Change (UNFCCC), speaks during a Chatham House event in London, Apr. 10, 2024.

The head of the United Nations’ climate agency says humanity only has two years left “to save the world,” and is calling for dramatic changes to curb heat-trapping emissions and financial decisions that prioritize the climate.