Shanghai Tower is a 121-floor, 2,073-foot tall skyscraper in Shanghai, China that is one of the tallest and most sustainable buildings in the world. It is located in the Lujiazui area, Shanghai's financial district, and its unique twisting design helps reduce wind loads and energy consumption. The building incorporates numerous sustainable features like rainwater harvesting, blackwater treatment, wind turbines, and a double-skin curtain wall to reduce its environmental impact and achieve LEED Gold and China Green Building certifications.