Waterline is an ongoing series that explores the solutions making rivers, waterways and ocean food chains healthier. It is funded by a grant from the Walton Family Foundation. Hotter, drier weather, ...

At 10 p.m. on June 27, 1980, Jose Artiga received word that El Salvador’s death squads were hunting him. The then-23-year-old engineering student had been involved in political protests — and for that ...

David Byrne learns how to recycle water — and why surprising places like Las Vegas and Orange County are perfecting this complicated process.

See what stories caught our attention this week, including Colorado river otters’ slow-burning comeback and an anti-ghosting law in Ontario. See what stories caught our attention this week, including ...

The policies reduce deportations of law-abiding immigrants — historically, that is. Today, amid mass ICE raids, the impact is harder to gauge. A two-day simulation drew thousands of participants — and ...