As civil war rages in Sudan, an ancient but evolving tradition connects thousands of refugees to their life in the Nuba Mountains.
The uses of photography in drones: Has the medium itself become weaponized?
To put an accurate price on carbon, you need to know how much you have and where it’s located, researchers say.
One of the first travelers in a century to walk through the Hejaz desert of Saudi Arabia, Paul Salopek encounters a fabled past of caravans and pilgrims, of empires come and gone.
Sean Gallagher documents the lives of India's growing army of e-waste workers and the impact the industry is having on their health and local environment.
The librarian revived interest in Mali's illustrious past...then had to save it from jihadists.
Meena was married as a young teenager, kept strictly in the house by her husband, then rejected by his family after he died. Her young daughters are headed toward the same fate.
New findings from Woods Hole Research Center scientists use satellite data to recommend habitat corridors between protected areas in the tropics.
Warsaw climate talks give surprise boost to a struggling UN plan to provide incentives to reduce deforestation.
Journalist Paul Salopek embarks on a seven-year global trek from Africa to Tierra Del Fuego, following in the footsteps of our restless forebears.
A U.N. program to reduce emissions faces stiff obstacles as it seeks to gain momentum in Warsaw.
A UN panel to conclude that rising temperatures will pose a risk to future food supplies.