Getting More out of Landfills

By introducing air and water into solid waste, a bioreactor landfill in Florida hastens the decomposition process, extending landfill life and generating methane gas for energyBy Rachel GomezLocated 35 miles north of Gainesville, the New River Regional Landfill serves...

Plant Roof Pioneer

Green roofs are sprouting in Chicago as environmental and structural engineers find ways to accommodate them on new and existing buildingsBy Rebecca LittleThe green roof atop Chicago’s City Hall serves as the centerpiece for the city’s initiative Courtesy City of...

LEDing the Way

Lighting Science Group is pioneering solid state lighting with its environmental advantages in a movement to replace incandescent lightingBy Maria SonnenbergWith a background in physics and electronics, Chief Technology Officer Fred Maxik heads innovation at the...

Sky’s the Limit

An aerial tram in Portland, Oregon carries passengers from downtown to a hilltop campus, reducing commuting time and vehicle milesBy Nancy HillPart of the city’s public transportation system, the tram connects Oregon Health & Science University with the South...

Capturing the Desert Sun

In sunny Las Vegas, the water utility has installed a far-flung solar generating system that powers its own facilities and feeds renewable power to the electrical gridBy Tom GibsonAt Springs Preserve, Sean Vallesteros shows the structure for supporting bi-facial solar...