"An unknown amount of diesel fuel has leaked from a Transocean Ltd. drilling rig that ran aground in Scotland, authorities in the U.K. said Wednesday."

"North Carolina Gov. Pat McCrory's administration on Tuesday again lashed out against a state toxicologist who said in sworn testimony he worried that state officials cleared well water near Duke Energy coal ash pits as safe to drink despite a chemical known to cause cancer."

"From Appalachia to Wyoming, surging demand for cheap natural gas, tougher environmental regulations and multiple coal company bankruptcies have left behind a devastated coal business, lost jobs and billions of dollars in cleanup work. Many of the jobs are gone for good, but ex-miners can repair the damaged land and shape a post-coal economy, Interior Secretary Sally Jewell said on a recent visit to coal country, offering up a future starkly different from Donald Trump's."

"U.S. states should force coal companies to set aside collateral to pay for future mine cleanups and protect taxpayers as the industry braces for further declines, a leading federal regulator said on Tuesday."

"Drinking water supplies serving more than six million Americans contain unsafe levels of a widely used class of industrial chemicals linked to potentially serious health problems, according to a new study from Harvard University researchers."

"In an effort to halt the advance of the oil industry in Colorado, environmental activists said they submitted enough signatures on Monday to place on November’s ballot two initiatives aimed at severely limiting hydraulic fracturing."

"When a pipeline break in North Dakota spilled salty, toxic drilling wastewater into a tributary of the Missouri River last year, it was national news. But it was only one of more than 640 oil and gas spills that affected groundwater or surface water in some way in 2015, according to a review of state and federal records by EnergyWire. Such spills can contaminate water with oil, salt, metals and even radiation."

"One year ago — on Aug. 5, 2015 — an EPA crew at the Gold King Mine in southwest Colorado accidentally unleashed 3 million gallons of orange water filled with mercury and arsenic."

"The soup of bright-green algae that is currently blanketing Florida's Treasure Coast is a reminder for many residents of the re-plumbing of the lower half of the state over the past century, when hundreds of canals, reservoirs and other public works were built to control the flow of water as cities blossomed there."

"The City of Montreal is spending hundreds of millions of dollars to replace lead pipes that deliver water to homes."