"Development of natural gas and wind resources in the Marcellus shale region could cover up nearly 1.3 million acres of land, an area bigger than the state of Delaware, with cement, asphalt and other impervious surfaces, according to a paper published this month in the scientific journal PLOS One."

"New urban waterways are making a come back. Cincinnati is following the lead of Seattle, Kalamazoo, Mich., and other cities by bringing back a buried stream that has been underground for a century. Uncovering these streams have environmental and economic benefits."

"As builders worked feverishly to get the Black Sea resort ready for winter games so closely tied to President Vladimir Putin's legacy, they failed to notice the effects their work was having on the village below."

"This famous bet — between a biologist and an economist — was over population growth. It started three decades ago, but it helped set the tone for environmental debates that are still happening today."

"American cities on the frontline of climate action are quietly but dramatically shifting their approach -- from primarily trying to limit global warming to coping with its impacts. They're building forested buffers to shelter homes from wildfires, considering concrete sea walls to restrain ocean waters and developing software to conserve water during drought."

"NORTH TOPSAIL BEACH, N.C. -- A crane swung a new roof truss into place above a house being built on this belt of sand last week, helping to expand development on what some experts say is one of the most dangerous islands to build on in the United States."

Flooding from Storm Sandy last year inspired urban designer Alexandros Washburn to devise new ways to protect his vulnerable home in Red Hook, Brooklyn -- and, he hopes, those of his neighbors.