"Last call for the Maryland darter. The elusive little fish, one of the rarest in the world, hasn't been seen in 21 years. Now, government and university biologists are teaming up for one more, perhaps final search for it...."

"Mexico has deployed its navy to several beaches in the Pacific Coast state of Oaxaca. Its mission isn't to fight the drug cartels or protect European tourists, but to guard the nesting grounds of an endangered sea turtle."

"Thousands of people in the heart of Frisco [Texas] are exposed to toxic lead pollution from a battery recycling plant that wants to expand production." City officials are opposing the expansion.

"Cod is slipping closer to disappearing from key European fishing grounds, officials warned Friday, saying that only steep catch cuts will prevent the disappearance of a species prized for centuries for its flaky white flesh."

EPA Administrator Lisa Jackson declares in an NPR interview: "EPA is back on the job working on behalf of the American people for public health, for environmental quality."

"The Obama administration rejected a proposed endangered species listing today for Alaska's spotted seals, saying the animals would adapt to climate change. Environmentalists, who had petitioned for the listing by citing threats to the seal from Arctic oil and gas development and melting sea ice, expressed outrage over the decision."

"The National Park Service has approved a plan to restrict the number of snowmobiles in Yellowstone National Park to fewer than half last winter’s limit."

Environmental and labor groups have filed a petition with EPA "asking for an immediate ban on most farm chemical applications in a 60-foot buffer strip for ground applications and a 300-foot buffer strip for aerial applications around homes, schools and day care facilities."

"Representatives of the world's biggest carbon polluters began two days of informal talks in London on Sunday to map out common ground 50 days before a key UN climate conference in Copenhagen."

"As the Senate prepares to tackle global warming, the nation’s energy producers, once united, are battling one another over policy decisions worth hundreds of billions of dollars in coming decades."