The president warns that climate change can undermine decades-long conservation efforts. He spoke at an annual summit that brings people together to discuss how to keep Lake Tahoe blue.
The residents of a public housing complex in East Chicago, Ind., are now forced to move because of dangerously high lead levels in the area's soil. A lead smelting company used to lie on the site.
Sexually active teenagers are more likely to use birth control and are choosing forms that are more effective, a study finds. Births to teens dropped by 36 percent from 2007 to 2013.
As a child, I found my father's love of the national anthem utterly bewildering. His was the generation of men born free but shackled by bigotry. So why did he sound so proud, singing that song?
Chicago Mayor Rahm Emanuel says the new Civilian Office on Police Accountability will be independent, but critics say it will still answer to city hall.
It's been a month since the Centers for Disease Control and Prevention warned pregnant women to stay away from a Miami neighborhood because of the threat of Zika. Health officials say aggressive mosquito control efforts are paying off. But business is down, and many are wondering when the travel advisory can be loosened or lifted.
Coal companies in the West have mined an area the size of New York City — more than 400 square miles. Now they have to clean it up, and it's given rise to a whole new reclamation economy.
A former Marine who served in Afghanistan took his own life recently. But there was no diagnosis linking his service to his suicide, making it hard for his family to receive full death benefits.
More than 400 people were shot in Chicago in August, marking the city's most violent month in nearly 20 years. NPR's Ari Shapiro talks to Peter Nickeas, breaking news reporter for the Chicago Tribune.