Many atomic bombs that are officially dismantled are still very much functional. A team of researchers wants to fix that.
Grasslands provide food and shelter for countless wildlife species -- but they're now threatened by climate change.
Recycling? Taking the bus? Better light bulbs? That's all good, but how about taking fewer flights, eating more plants, and having fewer children?
Bolivia is suffering massive damage from forest fires.
Consequences of the Amazon fires continue to pop up.
We need to step up our game, a lengthy report shows.
A cold view on a very hot issue.
Colombia, India, and Brazil were among the deadliest places for land defenders last year.
Flowing through rivers and oceans, plastic waste has become an important environmental threat across the globe.
Happy world overshoot day!
A total of 1.3 million species have so far been identified but many more live on the planet.
Are you using water sustainably?
Currently, sea levels are 20 cm (almost 8 inches) above pre-industrial levels.
Things are heating up.
These plants will drink responsibly -- whether they want it or not!
A remarkable initiative!
Requiem for an ice sheet.
Last time CO2 levels were this high, there were trees at the South Pole.