In 2014, after disastrous spills and opposition from environmentalists, the EPA imposed new rules on the storage of coal ash. Two towns are pushing back against different ways of storing the ash.
A project called TransActive Grid is testing a new way to trade solar power among neighbors. For now only credits are being traded — not actual energy — using the technology that underpins bitcoin.
A massive bloom of blue-green algae caused by discharge from a polluted lake is covering beaches in foul-smelling muck and raising health and environmental concerns.
Someone bid $61 million for an uncut diamond this week. NPR's Scott Simon asks Rachelle Bergstein, author of "Brilliance and Fire: the Biography of Diamonds," what makes a rock worth so much money?
The city is banning pre-1997 cars and pre-2000 motorcycles from the streets in daylight hours during the week — a move opposed by some advocates for the poor and vintage car collectors.
The city administration banned pre-1997 cars from the streets of Paris in daylight hours during the week, to fight pollution — a move opposed by advocates for the poor and vintage autos.
Environmental groups have asked the U.S. to give the prized fish protection under the Endangered Species Act. Some scientists and activists say the chances are slim but the action is long overdue.
The National Park Service is racing to record soundscapes of each park that capture nature for the ear. "If we start to lose sounds of wilderness, we start to lose a piece of us," one scientist says.