Penthouses will always be a statement of exclusivity, privacy and success. Here are 10 of the most desirable places to press PH and feel on top of the world.
Listed below are the 20 most sustainable buildings in the world. 1. Shanghai Tower, China. Shanghai Tower is Shell Platinum and LEED Core certified. It is the worlds second-tallest building and was built using locally sourced materials, including recycled materials. 2. Bullitt Center, Washington.

These 18 buildings represent just a fraction of the innovative green architecture emerging worldwide. As climate change concerns intensify and technology advances, we expect to see even more creative approaches to sustainable building design.

The results may surprise, from a brand-new passive house in Manhattan Beach, California, built like a Zen oasis to a development in Stockholm topped with a solar-powered penthouse.