Greenwire

A new birth control vaccine has stabilized a once-booming bison population on California's Catalina Island.

The White House today named 102 of the most promising early-career scientists who are currently funded by federal agencies and are pushing the frontiers of science and technology.

California's Public Utilities Commission returned a $375,000 fine paid by Pacific Gas and Electric Co. in an effort to make sure it can fine the company a vastly larger sum in the future.

Technology at the nation's newest coal-fired power plant, touted as one of the cleanest in the world, will remove carbon dioxide from the atmosphere, helping to prevent global warming. But in a twist, the CO2 will then be injected into the ground to help extract more oil.

Russia's state-owned petroleum company Gazprom has started production at the oil platform that Greenpeace activists raided in September, marking the formal start of the nation's long-planned effort to develop the oil and gas resources buried beneath its Arctic waters.

The Transportation Department said it has no plans to implement regulations requiring underground pipelines to be buried deeper beneath rivers.

Federal judges rejected a National Environmental Policy Act challenge Friday to strip mining in southwest Oregon.

The federal agency investigating accusations of animal abuse by a Wildlife Services trapper in Wyoming says it won't reveal the results of its probe until its completion, despite demands from attorneys who say that the case should be made public.

An invasive insect has targeted two of the nation's most popular Christmas tree species -- Canaan and Fraser firs -- across the southern Appalachian range, creating new challenges for tree farmers.

Researchers say coral reefs in the Cayman Islands are recovering after previously being damaged by warmer seas.

More Chesapeake Bay oysters are making their way back onto mid-Atlantic restaurant menus as the species rebounds this year.

The Fish and Wildlife Service has launched a targeted killing of the invasive barred owls that prey on threatened spotted owls in northeast California.

The federal government this year removed about 1.6 million acres of grassland from the Conservation Reserve Program, clearing the way for the land to be used for corn, wheat and other crops.

Mining giant Rio Tinto PLC said today it's reviewing and considering ending its investment in the controversial Pebble copper and gold project in southwestern Alaska.

The governors of six Midwestern states are warning that U.S. EPA's recent proposal to roll back the nation's renewable fuel mandates could set off a negative economic ripple effect beginning in rural America.

Before jetting off for his two-week vacation in Hawaii on Friday, President Obama signed off on a law that will keep the nation's fire hydrants from being subject to potentially burdensome environmental regulations.

The executive behind a controversial pipeline that would connect Alberta's oil sands to the Gulf Coast says he remains confident the project ultimately will be approved, warning that its denial could dampen U.S.-Canadian trade relations without providing an environmental benefit.

Environmental groups and coal ash recycling companies are in settlement negotiations with U.S. EPA over the timeline for completing new disposal rules for power plant combustion waste.

Faced with the persistent problem of air pollution drifting from upwind areas, state officials in the Northeast and mid-Atlantic are looking to open a dialogue with other states for a more collaborative approach.

The U.S. EPA Region 4 administrator's office has been vacant for a long time.

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