Discarded plastic blights Honduran mangrove island

A heron chick flutters clumsily after hatching in a nest on a mangrove island littered with plastic waste in the Gulf of Fonseca, along the Pacific Coast of Central America.

Scientists try to bolster Great Barrier Reef in warmer world

Below the turquoise waters off the coast of Australia is one of the world's natural wonders, an underwater rainbow jungle teeming with life that scientists say is showing some of the clearest signs yet of climate change.

Mexico's prized beaches threatened by smelly algae invasion

Tourists looking for sun and sand in Mexican resorts like Cancun, Playa del Carmen and Tulum have been disgusted by foul-smelling mounds of sargassum—a seaweed-like algae—piling up on beaches and turning turquoise waters ...

Ancient species of giant sloth discovered in Mexico

Mexican scientists said Wednesday they have discovered the fossilized remains of a previously unknown species of giant sloth that lived 10,000 years ago and died at the bottom of a sinkhole.

Electricity sparks new life into Indonesia's corals

Cyanide fishing and rising water temperatures had decimated corals off Bali until a diver inspired by a German scientist's pioneering work on organic architecture helped develop a project now replicated worldwide.

Will dams on Amazon tributary wreak global havoc?

The Xingu River, the largest tributary of the Amazon, runs wide and swift this time of year. Its turquoise waters are home to some 600 species of fish, including several not found anywhere else on the planet. A thick emerald ...