West Virginia will soon be getting back a species it hasn't seen since the time of the Civil War. And elk could also be a key engine for rehabilitating old mine lands across the country.
Because clean-up funds for old mines are tied to revenues from current mining operations, a slow-down in the industry could delay the clean-up of hundreds of abandoned mines in Pennsylvania.
A uranium enrichment plant in Piketon, Ohio used to employ hundreds of workers. Now hundreds more are busy cleaning up its legacy of pollution. But those jobs—critical to the town's economy—could be gone soon too.
New EPA pollution standards have led many coal-fired power plants to close their doors in recent years. But one Pennsylvania power plant is cleaning up its act in order to survive.
Earlier this year, the Pope made a splash with a tough stance on climate change. But Buddhist leaders are also publicly urging world leaders to limit fossil fuel emissions.