Levees pose an often overlooked residual flood threat, and that may only increase with warming.
Record February heat is kickstarting spring from the Southeast to the Midwest.
The federal government will use mud from dredging projects to protect coasts from erosion and rising seas.
East Coast communities could flood three times a week within 30 years as seas rise and land sinks.
More frequent heat waves will drive up electricity demand, potentially costing billions in infrastructure upgrades.
2016 was the second hottest year on record for the U.S. and the 20th consecutive year above average.
European power plants could keep claiming to be green while billowing pollution from wood until 2030.
Intense drought and powerful winds conspired to whip a massive wildfire that endangered Gatlinburg, Tenn.