An eco-roof can keep up to 50 percent of the rainfall that lands on it from ever touching the ground. Eco-roofs also absorb carbon dioxide, give off oxygen and reduce the burden on local ...

Over the past few years, there has been a notable increase in demand for eco-roof design, especially within urban landscapes. At TRA, more than half of our urban projects contain structurally ...

Instead of tar or asphalt, an eco-roof has a thin layer of soil and plants, says Greg Haines of Portland, Ore., who has been installing eco-roofs for several years. With a traditional roofing system, ...

Scientists at MIT have invented a smart roofing material that takes a new thermal-management approach to eco-design. It’s a different approach to previous efforts, of which there are many. We’ve ...

The roof of a building in Northwest Portland where hazardous household items are disposed is getting a green makeover. With help from a grant from the city, officials with 's recycling and garbage ...

The Portland mayor's office may soon get a garden on top. Portland officials are considering replacing City Hall's outdated roof with an eco-roof. City of Portland's senior management analyst Jen ...

The worldwide eco-roof industry is growing rapidly, and Portland is often lauded as being in a unique position to benefit as an early adopter of the green building trend. The city has joined much ...