"A giant South American rodent weighing at least 100 pounds (45 kgs) was spotted at a waste-water treatment facility in California recently before disappearing in the brush, according to a wildlife official."

"Four people on average are killed in unprovoked attacks a year, yet humans kill 100 million sharks annually, say marine biologists."

"DENVER—Hispanic leaders in the West have formed a new group called Nuestro Rio to focus attention on the Colorado River, which has sustained generations of Latinos."

"The 12-member congressional supercommittee picked to trim $1.5 trillion from the federal budget will undoubtedly be listening to hundreds of viewpoints on where to cut back. But many of the voices chiming in could be the members' current or former staffers who have close ties to the lobbying world.

More than 100 former staffers of the bipartisan, bicameral supercommittee members have gone to work for entities that lobby Congress, according to data collected by the Center for Responsive Politics.

"Without money to build a new satellite, the federal government will no longer be able to forecast severe weather events far enough in advance for communities to take life-saving action five years from now. That was the message that Jane Lubchenco, the administrator of the National Oceanic and Atmospheric Administration, delivered on Wednesday at a town-hall-style meeting in Denver."

"MONTPELIER, Vt. — Health officials say a radioactive form of hydrogen that leaked from a Vermont nuclear plant into soil and groundwater has reached the nearby Connecticut River."

"The Army and the Department of the Interior violated federal procurement law when they awarded a contract to an Alaska native corporation and allowed it to pass on most of the work to other companies, federal auditors have found."

"The Environmental Protection Agency is emerging as a favorite target of the Republican presidential candidates, who portray it as the very symbol of a heavy-handed regulatory agenda imposed by the Obama administration that they say is strangling the economy."

"CHARLESTON, W.Va. -- Appalachian residents support strengthening Clean Water Act restrictions on mountaintop removal and would punish at the ballot box public officials who work to weaken strip-mining regulations, according to a new poll released Tuesday."

"LAKE TAHOE, Calif. -- Today, for the first time since 1997, the governors of both California and Nevada attended the annual Lake Tahoe Summit, and they pledged their cooperation in returning clarity to the clouded waters of the famous lake."