Artist and Tree Activist Gillian Ware on preserving and respecting the arboreal world

A selection of the best environment photos of 2011

A stunning wetlands nature center in Sweden

Threatened wilderness photographed by world-renowned conservationist

California wineries are going green. But what to do with all that wastewater?

With debt crisis looming, the GOP takes aim at environmental regs

Caribbean nation joins global movement to protect sharks

Beautiful nature photos feature people in lieu of animals.

Roadkill as sustainable eating.

Winter resorts look to reduce footprints.