Twelve Asian nations and Russia have crafted a historic conservation plan to double the number of wild tigers by 2022. The declaration will head to a meeting of heads of state in September for final approval.

The first known breeding area of the large-billed reed warbler -- one of the world's rarest birds -- has been discovered in Afghanistan. The first specimen of the warbler was discovered in India in 1867, with more than a century elapsing before a single bird was found again in Thailand in 2006.

A dairy farm in Wisconsin is producing more than just milk -- it's providing electricity to nearly 250 nearby homes. Steve Bach is processing the manure made by his cows and producing usable energy for his neighbors.

An animal rescue in Arlington, Wash., has a great way to reuse Christmas trees after the holidays: as a special treat for goats. The goats at the New Moon Farm Goat Rescue and Sanctuary were served dozens of trees over the weekend.

Former Latino theater executive director Raul Lozano helps poor families in his neighborhood eat better by teaching them how to grow food in their own backyards. Lozano, himself a hobby gardener, founded La Mesa Verde (The Green Table) to foster better nutrition among the poor.

A Wisconsin man's loyalty to the Green Bay Packers has saved his life. Jim Becker began selling his blood four times a year in 1952 to pay for season tickets, a practice that managed a blood disorder he didn't know he had.

A company is offering financial incentives to households based on how much they recycle. The city of Cherry Hill, N.J., has teamed with RecycleBank, which offers discounts and coupons that can be used at stores such as Target, CVS and Whole Foods.

Conservationists searching for one of the world's most endangered crocodile species say they have found dozens of the reptiles lounging in plain sight -- at a wildlife rescue center in Cambodia.

Using her experience at sea to help clean up the world's waters, a California woman will lead month-long expedition to study the "Great Pacific Garbage Patch" in North Pacific Gyre. "I've been out to the same part of the ocean 30 years ago, and then, it was clean oceanic wilderness. And now, it's like a dump," Mary Crowley says.

Caribbean hip-hopper will unveil a line of environmentally friendly footwear and clothing designed by children through the New Hampshire-based outfitter with proceeds going to support restoration work in the singer's homeland.