CHICAGO (AP) From an Antarctic research base and the Great Pyramids of Egypt to the Empire State Building in New York, illuminated patches of the globe went dark Saturday for Earth Hour, a campaign to highlight the threat of climate change. Time zo...

HELENA - Gov. Brian Schweitzer and Saskatchewan Premier Brad Wall are turning to taxpayers to help fund a massive carbon sequestration demonstration project they say could be a major first step in solving the global carbon crisis. "Almost 99.999 percent ... of the coal plants produce their electricity through a pulverized coal process, which means once the coal is burned, then lots of things go up the smokestack," said Schweitzer, one of the

Carbon dioxide, one of the main greenhouse gases, is demonized for being a suspected contributor to climate change. But the odorless, invisible gas is a natural part of the Earth's ecosystem, said Lee Spangler, director of the Big Sky Carbon Sequestration Partnership in Bozeman. Your breath contains CO2. "If you eat food, that's a hydrocarbon," Spangler said. "In order to get the energy out, you oxidize it and exhale

NEW YORK (AP) Nobel laureate's Al Gore's follow-up to his best-selling "An Inconvenient Truth," originally planned for last spring, is coming out this fall with a new title. Publisher Rodale Books announced Tuesday that the former vice president's ...

MILLTOWN Seven minutes of digging undid 101 years of damming Friday afternoon on the Clark Fork River. That's all it took for Envirocon excavator operator Dallas Connors to tear through a gravel coffer dam and allow the Clark Fork to re-enter its ...