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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

Architects wrestle with their role in a climate-challenged world

A blueprint for greener living

The kids of our soldiers in Iraq and Afghanistan get their own R & R

In northern Minnesota, a greenhorn gets mushy for a teammate

Professors describe essential environmental books--and why they love them.

Some colleges embrace the outdoors as a classroom

Schools around the globe have taken to greening campus housing