Brazil’s president has opened the second day of a meeting of the world’s 20 major economies by calling for more action to ...

Joining the Regional Greenhouse Gas Initiative was a matter of law and, as a judge ruled this week, no governor has the unilateral power to nullify it.

Two of the sources said the United States, Australia and Britain were also ... developed countries' previous commitment to ...

At COP29, developing nations rejected what they called too little money to deal with climate change. They and United Nations ...

As nerves frayed and the clock ticked, negotiators from rich and poor nations were huddled in one room Saturday during ...