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Climate change has shrunk the wetlands in the Andes where livestock graze. Could reviving ancient water systems bring back the grass?

Carbon emissions from global air travel are rising fast, and U.S. passengers make up the largest share. But some are vowing not to fly at all, motivated by guilt and concern for the environment.

Lowery got his start as an activist organizing bus boycotts in 1950s Alabama. He led the Southern Christian Leadership Conference for two decades and prayed at Barack Obama's first inauguration.

Hulu's new eight-part series uses the fraught encounter between two families — one well-off and white, one bohemian and black — to raise tricky questions about race and social class.

Well, maybe not quite as excited as the U.S. seems to be.

David Wallace-Wells' The Uninhabitable Earth and Nathaniel Rich's Losing Earth offer valuable perspectives on climate change — if we're committed to being adult enough to face the future.

NPR's Rachel Martin talks to Retired Gen. Jack Keane about the White House's strategy moving U.S. troops out of northern Syria. Turkish troops entered the area and are attacking Kurdish forces.

Gaza has been off limits to tourists since Hamas took over in 2007 and the territory came under blockade. A veteran Palestinian tour guide shows off historical sites that tourists used to visit.

NPR's Rachel Martin talks to Norman Roule, retired CIA point man on Iran, about the latest flare up of tensions between the U.S. and Iran. There are reports the U.S. ordered airstrikes against Iran.

An unprecedented five-year study aimed to find out whether the treatments to stop the spread of HIV in the West would work in sub-Saharan Africa.