Environment

Presidential Campaign_Live.jpg

**FILE** Republican presidential candidate Mitt Romney campaigns Sept. 14, 2012, in the rain at Lake Erie College in Painesville, Ohio. (Associated Press)

Nepal Avalanche_Live.jpg

Bodies of climbers killed in an avalanche at Mount Manaslu lie covered with numbers at the Tribhuvan University Teaching hospital in Katmandu, Nepal, on Sept. 24, 2012. The avalanche killed at least nine mountaineers and injured others. (Associated Press)

North Korea Agricultu_Lea.jpg

North Korean farmer O Yong-ae is interviewed at her home at the Migok Cooperative Farm in Sariwon, in North Korea's Hwanghae province, on Sunday, Sept. 23, 2012. (AP Photo/Vincent Yu)

20120923-200938-pic-446889524.jpg

“Losing a piece of our territory eventually means losing the whole country,” says Shigeru Ishiba, a former defense minister and now one of the prime minister candidates of the Liberal Democratic Party, referring the land disputes with China in the South China Sea. (Associated Press)

20120923-192426-pic-616385923.jpg

A crew works on a drilling rig at a well site for shale-based natural gas in Zelienople, Pa. Though hydraulic fracturing is thought of as a relatively new technique, the federal government began funding research into it and horizontal drilling in the 1970s. (Associated Press)

APTOPIX Nepal Avalanc_Lea.jpg

A mountain climber (center) injured in an avalanche is rescued at the base camp on Mount Manaslu in northern Nepal on Sunday, Sept. 23, 2012. The avalanche swept away climbers on a Himalayan peak and left at least nine dead and six others missing, officials said. (AP Photo/Simrik Air)

2b404ac2c186d91a1b0f6a706700e8be.jpg

The ticket booths are empty and the gates are chained shut at an entrance to the Bronx Zoo in New York, Friday, Sept. 21, 2012. Zoo officials say a visitor who leaped into an exhibit and was mauled by a tiger was alone with the 400-pound beast for about 10 minutes before being rescued. (AP Photo/Jim Fitzgerlad)

DODGERS_NATS092011

Washington Nationals center fielder Bryce Harper (34) warms up in the batters circle in the third inning. (Craig Bisacre/The Washington Times)

20120920-191347-pic-253550094.jpg

Expected conflicts between wolves and humans and the amount of time required of park officials to manage a wolf population are among reasons the National Park Service hasn’t reintroduced the animal to control the elk population at Rocky Mountain National Park. Park staff and volunteers shoot excess elk instead. (Associated Press)

20120920-174031-pic-426898253.jpg

The Rothschild Collection of patent models is on display at the Smithsonian American Art Museum through November 2013.

20120920-173425-pic-161477369.jpg

The Rothschild Collection of patent models is on display at the Smithsonian American Art Museum through November 2013.

20120920-172055-pic-149976228.jpg

An impala scampers over a hill in the Phinda Private Game Reserve, near the town of Hluhluwe, in Kwazulu-Natal province, South Africa. Phindaís luxury lodges are spread over 56,000 acres and seven habitats, from the savanna to the unique sand forest. (AP Photo/Matthew Craft)

20120920-172055-pic-49364668.jpg

Three black rhinos graze on the savanna in the Phinda Private Game Reserve, near the town of Hluhluwe, in Kwazulu-Natal province, South Africa. (AP Photo/Matthew Craft)