1. Location: Manchester,UK Functions: Offices Manchester Civil Justice Centre employs advanced environmentally sensitive design principals, such as solar screening and natural ventilation systems, making it a sign for sustainable design. Ediz Oraç

2. Location: London,UK Functions: Accomidation, offices an shopping arcade London’s first ecological tall building. The building was designed with lightwells to maximise the penetration of daylight into the offices to reduce the need for artificial lighting.The building’s most distinctive features are its windows, which open to allow natural ventilation so they reduce the need of energy. Ediz Oraç

3. Location: New York,US Functions: Offices It is constructed using 85 % recycled steel and designed to consume 26% less energy than a building that minimally complies with the respective state and city energy codes. As a result, it is the first new occupied office building in the city to have been given a gold rating under the US Green Buildings Council’s Leadership in Energy and Environmental Design (LEED) program. Ediz Oraç

4. Location: New York,US The design of the building makes it environmentally friendly, using technologies such as floor-to-ceiling insulating glass to contain heat and maximize natural light, and an automatic daylight dimming system. The tower also features a greywater system, which captures rainwater and reuses it. Bank of America states that the building is made largely of recycled and recyclable materials. Air entering the building is filtered, as is common, but the air exhausted is cleaned as well.