"Operators of twin oil pipelines beneath the swirling waterway where Lakes Huron and Michigan converge insisted Monday they remain structurally sound even though an outer layer of protective covering has worn away in some places, while skeptics said the deterioration is further evidence the lines should be shut down."

"An environmental group says Duke Energy is polluting a lake and two river basins with coal ash from its Person County power plant, and gave formal notice Monday that it will sue over the alleged violations."

"Brooklyn is known the world over for things small-batch and local, like designer clogs, craft bourbon and artisanal sauerkraut. Now, it is trying to add electricity to the list."

"New York says Secretary of State Rex Tillerson used an email alias to discuss climate change while he was Exxon Mobil Corp.’s chief executive: Wayne Tracker."

"When Georgia repealed its generous $5,000 tax credit on electric vehicles in July 2015, and instead slapped a $200 registration fee on electric cars, sales quickly tumbled."

"New U.S. solar installations nearly doubled last year, but slowing demand for both residential and large-scale systems, falling panel prices and concerns about looming federal tax reform are still dampening investor appetite for the sector."

"The nation's roads, bridges, airports, water and transit systems are in pretty bad shape, according to the civil engineers who plan and design such infrastructure."

"Federal regulators have given oil and gas operator Hilcorp until May 1 to permanently repair a pipeline spewing more than 200,000 cubic feet of gas a day into Alaska's Cook Inlet or shut it down, citing public safety and environmental risks. The line has been leaking since late December, the regulator disclosed, longer than reported by the company."