"Science advisers to the Environmental Protection Agency Thursday challenged an already controversial government report on whether thousands of oil and gas wells that rely on hydraulic fracturing, or “fracking,” systemically pollute drinking water across the nation."

"KENORA, Ont. — The federal Liberal government is formally committing $1.7 million over two years to support a renowned freshwater research station that nearly fell victim to Conservative budget cuts."

"North Carolina’s state epidemiologist resigned Wednesday to protest her employer’s depiction that “deliberately misleads” how screening standards were created to test private wells near Duke Energy’s power plants."

"Night owls and stargazers, get ready for something spectacular on Thursday. The annual Perseid meteor shower, already one of the most reliably impressive celestial events, promises to be especially good this year."

"In latest legal briefs over Exxon's challenge to her investigation, Maura Healey says company continues to deny climate impacts on its business."

"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."

"Australia's re-elected conservative government has announced a U-turn in its climate change policy, reinstating climate science as the bedrock of its peak science body [CSIRO] just months after slashing its funding and axing hundreds of jobs."

"Beneath the streets of Boston, two robots named Mario and Luigi inspect the flow of human waste, collecting data on city residents."

"Emails obtained through public-records requests by a conservation group show that State Toxicologist Ken Rudo forcefully resisted the McCrory administration last year as it moved to alter the do-not-drink letters sent to hundreds of well owners near coal-ash pits owned by Duke Energy."

"Times are tough for Chesapeake oysters. For one thing, they used to be bigger. "If you look at what people were saying back in the 1600s and 1700s about oysters, people had to cut them in half before they could even eat them," says Denise Breitburg, an ecologist with the Smithsonian Environmental Research Center."