"LAUREL, Mont. — State workers on Tuesday set fire to an oil-tainted logjam on an island along the Yellowstone River, the last of dozens of debris piles smeared with crude from an Exxon Mobil pipeline break that dumped 42,000 gallons of oil into the waterway."

"Weary of plastic litter, Grand Canyon National Park officials were in the final stages of imposing a ban on the sale of disposable water bottles in the Grand Canyon late last year when the nation’s parks chief abruptly blocked the plan after conversations with Coca-Cola, a major donor to the National Park Foundation."

"WASHINGTON -- The Obama administration cautiously offered up more areas in the Gulf of Mexico and off Alaska's coast to oil and gas drilling Tuesday but didn't go far enough to satisfy Republicans pushing to greatly expand drilling as a way to create jobs and wean the country off foreign oil."

"ELDORADO -- Gold prospectors chasing $1,600-an-ounce flecks in river bottoms east of Charlotte also might be sucking life out of the streams, experts say."

"Back in February, the Parnell administration told a judge that Cook Inlet beluga whales didn't need the protection of the federal Endangered Species Act because the state was perfectly capable of protecting them itself, in part because of the Alaska Coastal Management Program. But in a notice belatedly filed in the case Friday, the Alaska attorney general's office acknowledged the state had lost that conservation and enforcement tool four months ago."

"WASHINGTON -- A new fast-track planning effort could shave years off the next phase of Everglades restoration, putting more fresh and clean water into the central and southern portions of Florida's 'River of Grass' more quickly."

"The Obama administration on Thursday unveiled its road map for solar energy development, directing large-scale industrial projects to 285,000 acres of desert land in the western U.S. while opening 20 million acres of the Mojave for new development."

"New uranium mining claims on 1 million acres around the Grand Canyon will be blocked for 20 years under a decision the Bureau of Land Management announced Wednesday."