National (U.S.)

"Our waterways are filled with traces of drugs, says a new study conducted by the USGS."

"The Fish and Wildlife Service today announced it will impose a near-total ban on the sale of ivory, fulfilling a key element of the Obama administration's crackdown on wildlife trafficking."

"The battle over Exxon Mobil and the issue of climate change took a new turn Wednesday. Environmental groups, citing constitutional rights, said they would not comply with a sweeping request for information from the House Committee on Space, Science and Technology led by Chairman Lamar S. Smith (R-Tex.)."

"Just days after two federal agencies seemed to clear the way for offshore fracking in the Pacific Ocean, Sen. Bernie Sanders (I-Vt.) called on it to stop."

"Just a few years ago, the United States seemed poised to say farewell to nuclear energy. No company had completed a new plant in decades, and the disaster in Fukushima, Japan, in 2011 intensified public disenchantment with the technology, both here and abroad."

"A Guardian investigation reveals that testing regimes similar to that of Flint were in place in major cities including Chicago, Boston and Philadelphia".

"As the Park Service approaches its centennial, it is grappling with a puzzle: Why are employees so unhappy, even while they love the work they do? And how can the agency fix it?"

"The long-term fate of a major conservation program [the Land and Water Conservation Fund] could end up being a key sticking point in negotiations over federal energy policy reform."

"Scientists may have significantly underestimated a dangerous source of pollution in the atmosphere, new research suggests. A satellite study, published Monday in the journal Nature Geoscience, has revealed nearly 40 previously unreported major sources of sulfur dioxide emissions — a pollutant that can cause multiple harmful health and environmental impacts and even exacerbate global warming."

"A dramatic decline in Europe's salamander population has motivated the US to halt the import and trade of hundreds of salamander species this year and study the health of amphibian communities around the country for signs of disease."