U.N. climate negotiations get underway in Brazil, with leaders urging urgency and cooperation to curb global warming. The Trump administration is not participating.

COP30 in Brazil commenced amidst heavy rain and flooding that disrupted venues and press conferences, drawing ironic commentary. The opening day also saw activists clash with security, resulting in minor injuries and highlighting concerns over Indigenous participation and resource allocation for the event.

U.N. climate negotiations are underway in Brazil, and leaders are pushing for accelerating efforts to curb global warming by drastically reducing the carbon pollution that causes it.

As climate leaders gather in Belém — the so-called gateway to the Amazon — the host city lays bare disparities between global ambitions and local realities.

This year’s U.N. climate talks are being held in Brazil. So far, they’ve been noteworthy for who isn’t attending.

World leaders pose for a family photo on Friday in the second day of COP30 U.N. Climate Summit in Belem, Brazil.

Simon Stiell told ministers from nearly 200 countries in Belém that governments dragging their feet on cutting fossil fuel use would be held responsible for famines, conflicts, and economic turmoil

The world must "defeat" climate denialism and fake news, Brazil's President Lula da Silva tells UN climate summit.