Wildlife officials lauded Washington's "holistic approach" to conservation in Hawaii after the Obama administration declared 48 species as endangered and

Wildlife officials have tried everything to keep sea lions from eating endangered salmon, dropping bombs that explode under water and firing rubber bullets and

An Interior Department announcement Friday that it won't list sage grouse as an endangered or threatened species opens the way for continued development of the

Just a day after the program opened, the state Commerce Department said the 25,400 available rebate reservations were all claimed by 9 a.m. Tuesday.

For decades the standard question at U.S. grocery store check-out counters has been "Paper or Plastic?" But since January, consumers in the U.S. capital have

A federal judge threw out an industry lawsuit Wednesday that could have led to more logging and road building in Alaska's Tongass National Forest, the nation's

Gov. Rick Perry and other top Texas officials on Tuesday announced a legal challenge to the federal government's finding that greenhouse gases are dangerous to

Promising "this is only the beginning," President Barack Obama on Tuesday announced more than $8 billion in federal loan guarantees for the construction of the

With marauding Asian carp on the Great Lakes' doorstep, the federal government has crafted a $78.5 million battle plan that offers no assurance of thwarting an

Looking for a political and policy victory, President Barack Obama on Wednesday pushed energy proposals designed to attract allies and opponents alike, calling

A Great Lakes fix-up plan designed to ward off species invasions, cleanse polluted harbors and make other environmental repairs would get $300 million under

More states are requiring schools and government buildings to use environmentally friendly cleaning products, raising debate about their costs and benefits.

A company that manufacturers sustainable building products for the construction industry is moving to the Gallup area, which state officials claimed as proof

Making energy efficient improvements to your home will do more than reduce your energy costs — they'll also reduce your tax bill.

Experts at Michigan State University are working to develop climate data that helps East African growers pick crops that can take the heat.