![PBS NewsHour - Science show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/063/043/small/pbs-newshour-topics-science.jpg)
Summary: In an unlikely alliance, natural gas companies and environmentalists have decided to work together to make fracking safer. Rick Karr travels to Pennsylvania to explore the tensions this has created among environmental groups.
Summary: In an unlikely alliance, natural gas companies and environmentalists have decided to work together to make fracking safer. Rick Karr travels to Pennsylvania to explore the tensions this has created among environmental groups.