More than 40,000 people are expected to attend the global climate change summit as questions swirl about the United States' future involvement.

Brazil announced details of its new climate change pledge late on Friday night that sets a target to lower the country's greenhouse gas emissions by 2035, which it will present during the United Nations climate summit COP29 in Azerbaijan,

TENS OF THOUSANDS of people are gathering this week for a major climate conference that will try to get countries to agree on how to help the most vulnerable nations deal with the climate crisis. The 29th annual COP is taking place in Baku,