Eco roofs, or green roofs, replace or cover conventional roofs with vegetation. They conserve energy by insulating the building below, which reduces the urban heat island effect, cleans the surrounding air, increases the life of the roof by a factor of two or three...
Green Roof Initiatives: Explore the implementation of green roofs, which involve covering rooftops with vegetation. Green roofs provide insulation, reduce stormwater runoff, and contribute to improved air quality.

Going green with your roof can come in various forms. Some people take it literally and grow plants on their roof space. This is a great solution, but is also time consuming and takes a lot of maintenance.

This particular example perfectly highlights why Green Apartment Roof Conservation Techniques is so captivating.
However, constructing a green roof can be quite costly and the long-term energy and maintenance savings should be considered. As always it is much more affordable to design and construct a new building than converting one. What are the economic benefits?

This particular example perfectly highlights why Green Apartment Roof Conservation Techniques is so captivating.
Historical Construction Techniques. Sustainable Architecture Infographic. Architectural conservation techniques and more.
Green roofs make happier, more productive workers : TreeHugger.