Erin Clark

State agencies must prepare for influx of baby boomer retirees.

A recent report from the U.S. PIRG Education Fund supports linkage between highway construction and air pollution.

In a conversation with landscape architect, Laurie Olin, a Metropolis Web editor learns about the nation's growing interest in "landscape security."

Is Governor Schwarzenegger's plan for hydrogen-powered vehicles hope or hype?

Boston city planners and public health officials are eyeing new open space created by the Big Dig as a way to promote active lifestyles and fight obesity.