Ocean temperatures warmed by human-caused climate change fed the intense rainfall that triggered deadly floods and landslides ...

The most comprehensive global environment assessment ever undertaken calls for a new approach to jointly tackle the most ...

More than 620,000 miles of barbed-wire fences divide the American West. They keep cattle contained. They’re expensive to ...

And why many scientists are freaked out about the first serious for-profit company moving into the solar geoengineering field.