"CHEYENNE, Wyo. — Diminished domestic demand has produced a virtual moratorium on federal coal sales in Wyoming's Powder River Basin, home to the 10 top-producing coal mines in the country."

"LOS ANGELES -- Elevated levels of lead have been found in the soil of homes and a preschool near a battery recycling plant in Vernon, south of downtown Los Angeles, prompting officials to issue health warnings and order more testing in adjacent neighborhoods."

"Wildlife officials weigh plan to transport fish from state’s biggest hatchery to sea rather than risk mass deaths during migration."

"U.N. climate negotiations resumed on a shaky footing on Monday as some delegates questioned how the meeting was being run amid calls for more urgency at the talks, which after two years have made scant progress towards a global climate change deal."

"PORT ANGELES, Wash. — Anne Shaffer sits on the sandy shoreline of the Elwha River and looks around in amazement. Just two years ago, this area would have been under about 20 feet of water."

"Oil refineries and drilling platforms in the U.S. are vulnerable to sea level rise and greater storm surge. Fuel pipelines, barges, railways and storage tanks are vulnerable to melting permafrost and severe weather. Warming seas and water shortages put nuclear and other electric power plants at risk. Power lines can be blown away by hurricanes and other extreme weather."

"More ominous news on the Asian carp invasion front: Asian carp eggs were recently found in the Upper Mississippi River near Lynxville, Wis., about 20 miles south of the Minnesota border."

"Sen. John Barrasso (R-Wyo.) yesterday announced plans to use an aid package for Ukraine to advance his proposal for expediting exports of domestic natural gas to U.S. allies and members of the North Atlantic Treaty Organization."

"In the rings of ancient and gnarled trees, a team of scientists has found evidence of a period of consistent warmth and wetness in Mongolia between the years 1211 and 1225 -- the exact time that Genghis Khan first rose to power."