"Biodiversity has decreased by an average of 28 percent globally since 1970 and the world would have to be 50 percent bigger to have enough land and forests to provide for current levels of consumption and carbon emissions, conservation group WWF said on Tuesday."

"The Obama administration is appealing a federal court ruling that scrapped U.S. EPA's retroactive veto of a large mountaintop removal coal mining permit in West Virginia, according to court documents filed Friday and [Monday]."

"You may think of surfers as slackers. But in Santa Cruz, Calif., they're city council members and business owners. And they're also conservationists — who just got their piece of the central California coast named a World Surfing Reserve."

"Long before surf music topped the charts and long before surfers had crazy nicknames, surfers have been riding the waves in Santa Cruz.

On a recent day, the crowd included 'Wingnut' — also known as Robert Weaver — and other surfers. He pointed out some friends: 'There's Frosty, there's Boots, there's Fathead.'

"The state of Wisconsin is no longer a hot bed for metallic sulfide mining, having its Legislature kill a bill in March that would have streamlined mining permit process in favor of mining companies. But it is one of the hotbeds for another type of mining, sand mining, a billion-dollar business."

"Quiet, Gordon Hempton says, is a 'think tank of the soul.' The acoustic ecologist has criss-crossed the world searching for and recording some of nature's most elusive sounds. He says the experience of silence is in danger of being lost and explains why nature's 'silence' is vital to our minds, our relationships, and the natural world as well. He walks us through those environments — from the Hoh Rain Forest to thunder in the Kalahari Desert."

"CAMBRIA COUNTY, Pa. -- A pipe is spewing toxic water into Topper Run from the old Maryland No. 1 coal mine here."

"Chile's Supreme Court suspended a key permit for Canadian miner Goldcorp Inc's El Morro copper-gold project, the latest setback for the controversial project and one of the biggest legal blows to a mining project in the world's top copper producer."

"Some worry that a water-diversion deal, sending farm irrigation water to sprawling San Diego, will spell doom for the Salton Sea – and exposure to toxins for humans and wildlife. Others say protections are in place to ensure that can't happen."

"The Interior Department's inspector general appears likely to join the growing scrutiny over whether the National Park Service falsified data in an environmental review of a California oyster farm."