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Why photographer Clark Little risks his neck to share a vision of the natural world that few ever see for themselves

A snowkiting newbie rises from the wreckage

Working hard outdoors is fun. Even in the heart of a midwest winter.

The mere thought of heaps of disposable cups, replete with congealing backwash and reconnoitering insects, can spur even the most environmentally indifferent into action.

You Got Your Environmental Studies Degree. Now What?

Game-day pollution: going, going, gone

Filth is Flunking

Six students cheer their college's unique conservation efforts

A comprehensive guide to the most eco-enlightened U.S. colleges

Sierra's third annual list of America's greenest colleges and universities

The complete list of Sierra's 2009 Cool Schools participants

The new issue in environmental justice: paychecks

Teens from L.A.'s notorious Crenshaw and Dorsey High Schools come together in Yosemite

How the Sierra Club's 1960s lawsuit stopped Disney from turning Mineral King into a ski resort

A couple plopped their baby in a basket and floated into the wild.

Mount Hood's biking trails offer gawk-worthy views and grueling days that cause exhausted legs to cry out in agony.

Two U.S. companies have joined forces to build utility-scale geothermal plants in months, not years

Sodbustitng solictor

The mystery of Louise Teagarden is not what became of her but why she disappeared