Features

More than a recreational venue, the BWI Trail circles Baltimore-Washington International Airport to link neighborhoods, communities, and several modes of transportation

Employing conservation and reuse, the Denver Water Recycling Plant in Colorado treats water to get the most out of it in a water-scarce region

At various locations in the Midwest and East, companies are converting spent limestone mines to subsurface business parks offering a host of advantages

Volunteer engineers with Minnesota-based Compatible Technology International develop basic equipment to help people in developing countries process food. It may sound easy, but it’s not.

From a mountain in Arizona, the Large Binocular Telescope peers deep into the heavens as the world’s most powerful optical telescope

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 energy

Green roofs are sprouting in Chicago as environmental and structural engineers find ways to accommodate them on new and existing buildings

Lighting Science Group is pioneering solid state lighting with its environmental advantages in a movement to replace incandescent lighting

An aerial tram in Portland, Oregon carries passengers from downtown to a hilltop campus, reducing commuting time and vehicle miles

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 grid