As Republicans seek their party's nomination in the 2024 presidential election, their stances on key issues will be top of mind for voters. Climate change is particularly important to younger voters.

Cargo ships equipped with massive rigid sails called WindWings could save a substantial amount of fuel, considering how much of the world's goods are transported by sea.

Most countries are failing to follow through on promises to meaningfully cut greenhouse gas emissions. A UN analysis shows that actions so far will allow emissions to keep increasing

Scientists who warned of heat waves and rising seas this week also say that it's possible to avoid the worst effects of the warming climate. They're relying on computer models of the world economy.

The U.S. plans to rapidly reduce greenhouse gas emissions. This is America's return to the international climate stage. We break it down for you.

Environmental groups and business leaders are pushing President Biden to cut U.S. emissions 50% by 2030. The question is: what kind of climate policies will work that fast?

The United States on Friday officially rejoined the Paris Agreement on climate change. The landmark 2016 accord is designed to limit global warming and avoid its potentially catastrophic impacts.