In a decade-long, $7 billion effort, Venice is building 78 flood barriers to help keep itself dry. The first four just passed a crucial test.
Football-field-sized pits of fracking wastewater already taint the landscapes of Pennsylvania and West Virginia. Looks like Ohio will be next.
Wisconsin has just the right kind of sand for fracking, and industry wants to ship it around the world. But sand mining takes a serious environmental toll.
With the fed closed and a debt crisis looming, House Republicans still manage to hold a hearing on the real threat to the economy: the job-killing EPA.
Even as America's economy and population continue to grow, its energy appetite is falling. That's thanks to big efficiency gains.
You want to drill or log on federal lands? No problem. But don't you dare camp or hike there.
A spill of fracked oil from a pipeline was discovered two weeks ago, but we're only just learning about it.
U.S. developers are selling new houses but keeping a little something for themselves: the right to lease the land beneath the houses to frackers.
A behemoth coal plant is being switched back on after two years of repairs. But a pending closure of another marks the 150th coal-plant shutdown since 2010.