"The number of unhealthy air days in major cities across the United States has risen sharply over the last two years, even as emissions of key pollutants continue to slip, according to data released by the Environmental Protection Agency on Wednesday."

"A federal judge ruled that President Trump's pardon last year of Oregon ranchers Dwight Hammond and Steven Hammond likely isn't enough to justify former Interior Secretary Ryan Zinke's decision to reinstate the father and son's federal grazing permits."

"Interior Secretary David Bernhardt can expect lots of questions and pushback from congressional Democrats regarding his plan to relocate hundreds of senior positions within the Bureau of Land Management from its Washington, D.C., headquarters to various Western states, several members of both parties said yesterday on Capitol Hill."

"Fewer mock commando raids to test nuclear power plants’ defenses against terrorist attacks. Fewer, smaller government inspections for plant safety issues. Less notice to the public and to state governors when problems arise. They’re part of the money-saving rollbacks sought by the country’s nuclear industry under President Donald Trump and already approved or pending approval by the Nuclear Regulatory Commission, largely with little input from the general public."

"Donald Trump’s leases of public lands and waters for oil and gas drilling could lead to the production of more climate-warming pollution than the entire European Union contributes in a year, according to a new report."

"A heat wave featuring a life-threatening combination of heat and oppressive humidity has begun to spread across the United States, with excessive heat warnings and heat advisories in effect for at least 22 states and the District of Columbia."

"BUTTE COUNTY, Idaho — The Big Lost River earns its name. Beginning in Idaho's tallest peaks, moving through irrigation dams and diversions, the river flows into the desert here and simply ends."

"A provision in bipartisan legislation to bolster the commercialization of advanced nuclear technologies is causing fears that it may provide a backdoor financial lifeline for existing coal and nuclear plants through 40-year federal power purchase agreements."

"Rising ocean temperatures, a consequence of climate change, are known for bleaching and killing corals. But a study, published today in Marine Biology, reveals another overlooked culprit: excess nitrogen."

"Blackhawk Mining, which operates 10 mining complexes across West Virginia and Kentucky with about 2,800 employees, has reached an agreement with most of its lenders. The company said in a news release that it is filing bankruptcy and all of its subsidiaries must be reorganized under its Chapter 11 filing."