It's short-lived but its planet-heating effects are much stronger than CO2. But a new report says action on cutting methane is too slow. Where does it come from, and what can we do to stop it ...

In the fight against climate change, the focus is usually on carbon dioxide, or CO 2 — and for good reason. It’s a greenhouse gas that remains in the atmosphere for years, trapping in heat for ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. The levels of the crucial heat-trapping ...

The levels of the crucial heat-trapping gases in the atmosphere reached historic highs last year, growing at near-record fast paces, according to the U.S. National Oceanic and Atmospheric ...