"A huge mass of magnetically charged material ejected from the sun is racing across space toward our planet, where it is expected to arrive on Tuesday. When it strikes the Earth's magnetic field, it could produce spectacular auroras."

"If the Chevy Volt's $40,000 price tag sounds a bit too steep, you could always go the do-it-yourself route of Oregon teenager Ashton Stark. He just finished a yearlong conversion of his grandfather's 1972 Volkswagen Super Beetle into an electric car."

"The House of Representatives on Friday approved the toughest reforms ever to offshore energy drilling practices, as Democrats narrowly pushed through an election-year response to BP's massive oil spill in the Gulf of Mexico."

"FORT WORTH, Texas -- For nearly a year Christine and Tim Ruggiero have battled the powerful Texas oil and gas industry and the inertia of regulators responsible for protecting air quality and public health."

"The worst floods in memory in Pakistan have devastated the lives of more than 3 million people, a U.N. spokesman said on Tuesday, while outrage over the unpopular government's response to the suffering spreads."

"Environmentalists are suing U.S. EPA over a rule that aims to regulate greenhouse gases from only the largest industrial sources, arguing that the agency exempts too many big polluters."