Iran has agreed to allow a technical team from the UN nuclear watchdog to visit in the coming weeks to discuss "a new modality" on relations between the International Atomic Energy Agency and Tehran, ...

Known as the “endangerment finding,” the 2009 declaration has served as the basis for federal rules limiting greenhouse gas ...

The United Nations' highest court on Wednesday said countries must address the "urgent and existential threat" of climate change by cooperating to curb emissions, as it delivered an opinion set to ...

EPA plans to reverse endangerment finding, a foundation of the federal government's ability to address climate change.