"With insurgents increasingly attacking the American fuel supply convoys that lumber across the Khyber Pass into Afghanistan, the military is pushing aggressively to develop, test and deploy renewable energy to decrease its need to transport fossil fuels."

"As recently as late December, Monsanto  was named 'company of the year' by Forbes magazine. Last week, the company earned a different accolade from Jim Cramer, the television stock market commentator. 'This may be the worst stock of 2010,' he proclaimed."

"Republicans running for governor in a handful of states could block, or significantly delay, one of President Obama’s signature initiatives: his plan to expand the passenger rail system and to develop the nation’s first bullet-train service."

"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."

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.

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

Federal investigators will be looking for key information about pressure tests, decision making and BP's safety culture when the next round of hearings begins Monday to determine the cause of the Gulf of Mexico rig explosion and oil spill."

"The Interior Department tightened its rules on offshore oil  and gas operations on Thursday but left in place the moratorium on deepwater drilling that has left oil executives frustrated and Gulf Coast officials fuming."

"The National Oil Spill Commission continues its investigation into the Deepwater Horizon explosion and spill, but the president's panel remains hampered by its inability to compel key witnesses to testify and turn over documents. Senate Republicans blocked a bill to grant the commission subpoena power in July. Now the Senate has gone home once without moving the measure forward."

"The Federal Communications Commission has changed its guidance to cellphone users worried about the health effects of wireless devices, dropping a long-standing recommendation that concerned consumers purchase phones with lower levels of radiation emissions."