If nations don't address high greenhouse gas emissions, by the 2080s, all but one of the 21 cities that previously hosted the Winter Games would be able to do so again, a new study has found.
Kai Forsyth relished being the only passenger on a flight from London to Orlando. But his solo trip highlights the wastefulness of near-empty flights that environmentalists are trying to ban.
There are new calls for stronger building codes in Colorado after devastating suburban wildfires. The towns weren't considered at high risk for fire, but the warming climate is changing that calculus.
Because of waves from Saturday's eruption, an estimated 6,000 barrels of oil were spilled near Peru's main refinery on the coast in an area rich in marine biodiversity.
Hawaii gets most of its electricity from oil and coal. So the state is trying an experiment to get the utility off fossil fuels - and becoming a model for regulators across the US.
NPR's Ari Shapiro speaks with journalist John Cannon about the dangers of destroying a hidden peatland in the Congo Basin that has locked in as much carbon dioxide as the world emits in three years.