One way to do this is to remove the buildings and pavement that cause the problem. This is not always practical, so the alternative is to generate green space on the roof tops by installing Green ...

Bees, rare orchids and hoverflies are just some of the wildlife that can live on urban green roofs. Green roofs are designed to allow plants to grow on their surface. They need to be strong enough to ...

Take a tour of the green roof atop WWF-US's headquarters in Washington, DC. Since 2010 this state-of-the-art, eco-friendly roof has been home to tens of thousands of plants, providing habitat for ...