"SEVERANCE, Colo. -- Since he was a boy in western Colorado, John Bartmann seemed destined to become a sheep man. He raised lambs with the local 4-H club and sheared them for elderly German farmers. His office is lined with paintings of sheep and a plaque honoring him for 'promoting culinary excellence' in lambs. But over the last few years, skyrocketing costs, a brutal drought and plunging lamb prices have battered Mr. Bartmann and the 80,000 ranchers across the county who raise sheep -- from a few to several thousand."

"Fish is frequently misidentified on menus and grocery store counters in New York City, even at expensive restaurants and specialty shops, DNA testing for a new study found. National supermarket chains had the best record for accuracy in seafood labeling, the researchers reported."

"Ferrying a load of soybeans from Seattle to China in 2004, the engine of Malaysian freighter Selendang Ayu lost power and the vessel broke in half on rocks off Unalaska Island in the middle of the Alaskan archipelago."

Drilling for gas and oil can be safe or it can be dangerous.

"Federal officials have given energy and mining companies permission to pollute aquifers in more than 1,500 places across the country, releasing toxic material into underground reservoirs that help supply more than half of the nation's drinking water. In many cases, the Environmental Protection Agency has granted these so-called aquifer exemptions in Western states now stricken by drought and increasingly desperate for water."

"ATLANTA -- If disaster strikes a nuclear power plant in the U.S., the utility industry wants the ability to fly in heavy-duty equipment that could avert a meltdown."

"The death rate of many of the biggest and oldest trees around the world is increasing rapidly, scientists report in a new study in Friday’s issue of the journal Science. They warned that research to understand and stem the loss of the trees is urgently needed."

The American chestnut once dominated the forest landscape from Georgia to Maine. Then the blight struck, and by the 1950s, it was all but extinct. Now, after 30 years of breeding and crossbreeding, the American Chestnut Foundation believes it has developed a blight-resistant tree.