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Park rangers and army personnel in Nepal carry unmanned aerial vehicles used to track wildlife and poaching activity. The drones, which can be programmed to fly automatically, are outfitted with cameras that relay live video to the ground.

To Crack Down On Rhino Poaching, Authorities Turn To Drones

Sky-high prices for elephant ivory and rhino horn have pushed wildlife poaching to a fever pitch. So in attempt to outfox the sophisticated poaching operations, conservationists and government rangers are teaming up to launch small, camera-carrying drones, or unmanned aerial vehicles, above southwest Africa.

Catholic Church At Crossroads: Demographics, Social Issues Pose Challenges

Pope Benedict XVI leaves the church in the midst of change: American Catholics' social views tend to diverge from the Vatican's, and the church now sees much of its support in South America and Africa. One former member of the College of Cardinals says the next pope will have to be aware of the church's needs in South America.

What does the impending expiry of the African Growth and Opportunity Act mean?

NPR's Scott Simon speaks with Reuben Brigety, a former U.S. ambassador to the African Union, about the importance of the African Growth and Opportunity Act, which expires next week.

Sea surface temperature anomaly maps show temperatures above normal in orange and red. The warming could lead to dire conditions for sea life.

Is 'The Blob' Back? Latest Marine Heat Wave Could Pose New Risks To Sea Life

Water temperatures between Alaska and California have risen by 5 degrees Fahrenheit. Researchers say the warming could trigger a series of problems in the marine food chain.

Why Sea Level Rise Varies Across The World

The sea level is rising more in some coastal places than in others. But why is that? It has to do with wind, currents, glaciers and even the last Ice Age.

ENCORE: Why Sea Level Rise Varies Across The World

The sea level is rising more in some coastal places than in others. But why is that? It has to do with wind, currents, glaciers and even the last Ice Age.

Advocates Say Wind Farm Plans Interfere With Fertile Fishing Areas

The Biden administration has opened the East Coast to massive offshore wind development. But it will happen in some of the country's most fertile fishing grounds, and that's set up a growing battle.

Coral polyps feed in the plankton-rich waters by Santa Catalina, Panama. A new study of coral reefs off the Pacific coast of Panama shows that dead coral reefs may be able to recover from rising ocean temperatures and other environmental disasters.

Dead Reefs Can Come Back To Life, Study Says

Rising water temperatures and increasing ocean acidity can kill coral reefs. But a new study finds that dead reefs can potentially recover from catastrophes if ocean temperatures stabilize. Some scientists say the resiliency of coral reef may be the key to their survival.

With measuring tape and notepad, marine ecologist Enric Ballesteros surveys the organisms living on a healthy reef in the islands. When author Enric Sala and his team first visited here in 2009, they found these reefs in a pristine state, with a profusion of species, many of them rare.

This coral reef resurrected itself — and showed scientists how to replicate it

While scientists studied a coral reef ecosystem in the South Pacific, rising temperatures led them to believe it was doomed. Then, something miraculous happened.

The U.S. Coast Guard and U.S. Navy brought four divers back to their families after a search aircraft spotted an SOS strobe.

Coast Guard says 4 divers who went missing off S.C. coast were found alive

The divers plunged into the Atlantic Ocean off a pleasure craft more than 60 miles from Myrtle Beach, S.C. It wasn't until after midnight that they were seen again.

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