"Across the northern Rocky Mountains, bighorn sheep are dying by the hundreds from pneumonia and alarmed wildlife officials are hunting and killing the majestic animals to halt the spread of the disease."

"The world's oceans may be vast and deep, but a decade-long count of marine animals finds sea life so interconnected that it seems to shrink the watery world."

"ARLINGTON, Texas — Mayor Robert Cluck wants to test the air near every new gas well in Arlington and a neighboring city has started its own air quality study."

"With button-brown eyes, striped cheeks and a bushy orange-black tail, the Inyo chipmunk has darted among the gnarled pines of the Sierra Nevada for centuries. But it has apparently vanished."

"The Interior Department tightened its rules on offshore oil  and gas operations on Thursday but left in place the moratorium on deepwater drilling that has left oil executives frustrated and Gulf Coast officials fuming."

"The National Oil Spill Commission continues its investigation into the Deepwater Horizon explosion and spill, but the president's panel remains hampered by its inability to compel key witnesses to testify and turn over documents. Senate Republicans blocked a bill to grant the commission subpoena power in July. Now the Senate has gone home once without moving the measure forward."

"The Federal Communications Commission has changed its guidance to cellphone users worried about the health effects of wireless devices, dropping a long-standing recommendation that concerned consumers purchase phones with lower levels of radiation emissions."

In Pakistan, "Floodwaters have receded but left small children, women and the elderly battling to survive on food handouts in refugee camps on roadsides, increasingly angry at a government they say has failed them." The inadequacy of flood relief is weakening the incumbent Pakistani government and strengthening Taliban for a takeover of that nuclear-armed country. This has sparked speculation about a possible coup by Pakistan's army against the current civilian government. It has also raised concerns about the viability of the U.S. military strategy in Pakistan and Afghanistan. Some analysts view the situation as an example of how climate change may threaten U.S. security in the future.