"The Obama administration served notice [Friday] that it is developing tougher greenhouse gas and fuel economy standards for passenger cars and trucks built in model years 2017 through 2025. A national program finalized in April covers cars from model years 2012-2016."

"Tianjin, China -- The UN climate change chief on Monday warned feuding countries they must immediately begin working towards a deal to combat global warming, as gridlocked talks resumed in China."

"Wild salmon stocks in the north Pacific are being eroded as the fish are forced to compete for food and shrinking habitat with billions of hatchery fish released in to the oceans each year, a new study by scientists in B.C. and Washington state says."

Amphibian species all over the world are being decimated by hytridiomycosis, a deadly fungal disease. One California scientist working in the Sierras thinks a specific bacterium may help frogs survive.

"In its effort to rid the island territory of Guam of an invasive snake species, the US Navy has enlisted the help of an unlikely set of allies: Dead mice stuffed with a common painkiller."

"More than 2 million cases of malaria are expected in Pakistan in the coming months in the wake of the country's devastating floods, aid workers have warned."

"How the Senate and the White House missed their best chance to deal with climate change."