"Colorado's richest oil field -- the Denver-Julesburg Basin -- is buried in floodwaters, raising operational and environmental concerns, as state and industry officials work to get a handle on the problem."

"Coal’s future is being built in rural Mississippi, and so far this is what it looks like: a $1 billion cost overrun, a stew of legal battles, a revolt by ratepayers and a credit downgrade for the local utility."

"As Texas’ rivers run dry and lakes fall to record low levels, part of the fight over water supplies is moving underground."

A new report from the U.S. Centers for Disease Control ranks the causes of the antibiotic resistance in bacteria that kills an estimated 23,000 Americans every year. One surprise is the finding that hospitals are an even bigger source of resistant bacteria than are food animal feeding operations.

"Search-and-rescue teams bolstered by National Guard troops fanned out across Colorado's flood-stricken landscape on Monday, as a week of torrential rains blamed for eight deaths and the destruction of at least 1,600 homes finally gave way to sunny skies."

"WASHINGTON -- British mining giant Anglo American is abandoning its effort to develop Alaska's Pebble Mine, leaving Canadian explorer Northern Dynasty Minerals alone in its attempt to push through the massive and controversial project."

"Drilling for shale gas through hydraulic fracturing, or fracking, appears to cause smaller leaks of the greenhouse gas methane than the federal government had estimated, and considerably smaller than some critics of shale gas had feared, according to a peer-reviewed study released on Monday."

"Federal health officials reported Monday that at least two million Americans fall ill from antibiotic-resistant bacteria every year and that at least 23,000 die from those infections, putting a hard number on a growing public health threat. It was the first time that federal authorities quantified the effects of organisms that many antibiotics are powerless to fight."

"LOS ALAMOS, N.M. -- At Los Alamos National Laboratory, a seven-year, $213 million upgrade to the security system that protects the lab's most sensitive nuclear bomb-making facilities doesn't work. Those same facilities, which sit atop a fault line, remain susceptible to collapse and dangerous radiation releases, despite millions more spent on improvement plans."

"Pediatricians and public health advocates are working to revive programs to protect children from lead poisoning, after what they describe as a series of devastating blows to their efforts."

"It was supposed to be a few days of relative bipartisan bonhomie in the Senate: A modest but popular energy bill was on the floor. Though senators may have faced a tough vote or two on U.S. EPA rules or the Keystone XL pipeline, the bill was expected to make it across the finish line, demonstrating that at least one chamber of Congress could function."

"House Republicans have snagged high-profile witnesses for a Sept. 18 hearing on the White House's new climate plan: Environmental Protection Agency Administrator Gina McCarthy and Energy Secretary Ernest Moniz."

"Record-shattering rainstorms across Colorado's Front Range led to flooding that blew out at least six dams Thursday, stranding a Larimer County family on the second floor of their home and breaching a federal stormwater holding pond northeast of Denver."

"Truckers want tougher enforcement and point to competitors who violate state rules to install filters or upgrade to cleaner engines."

"WASHINGTON — The coal industry, feeling threatened by federal efforts to promote wind and solar power, has opened a counterattack by opposing President Obama’s nomination of a renewable electricity advocate to head the federal agency with jurisdiction over power lines."