Green roofs still don't come cheap. In Washington D.C., the city provides reimbursements that run from $10 to $15 per square foot to cover installation costs, making The District the nation's #1 ...

BD+C asked several green roof specialists who have worked on sloped systems for their advice on designing and building these systems. They offered the following tips: 1. Make sure the roof will stay ...

A modular green roof system costs between $10 and $30 per square foot, as compared to a built-in green roof, which averages between $20 and $35 per square foot.

Green roofs help offset carbon dioxide and purify air in urban areas while lowering utility bills for homeowners. It may or may not be surprising but one of the best ways to make your house ...

Since most of these urban land parcels do not have green space available for infiltration, there is a need to create it. One way to do this is to remove the buildings and pavement that cause the ...

Green roof temperatures are typically 30–40°F lower than those of conventional roofs. They can reduce the surrounding area’s ambient temperatures by 5°F.

"Cool" roofs are even cheaper than green roofs, only costing $0.75 to $1.50 per square foot and a single-ply cool roof membrane usually ranges from $1.50 to $3 per square foot, according to EPA.Gov.

It’s hard to miss the soaring three-acre meadow that graces the top of Barclays Center. But green roofs – or living roofs — are also branching into brownstone Brooklyn, where homeowners with sturdy ...

"Cool" roofs are even cheaper than green roofs, only costing $0.75 to $1.50 per square foot and a single-ply cool roof membrane usually ranges from $1.50 to $3 per square foot, according to EPA.Gov.

The green roof has been popular in environmentally minded European countries for decades but has taken hold in the United States only in the past 15 years or so, especially in cities.

Robert Ivy is chief executive of the American Institute of Architects. If you’ll pardon the pun, smart roofs, green roofs, cool roofs – whatever they’re called — are the hottest things in ...