Shanghai Tower in China is the new 2nd tallest building in the world. Standing at 2,000 feet tall this building is more like a city than just a building. It has 521,000 meters of space, 106 elevators, and can hold 30,000 people! And talk about green buildings 1/3 of this building is made up of green space. Every 14th floor there what they call city parks that have gardens, green walls, etc..
This building also green in other ways. It has a 2nd skin wrapped around the building that draws outside air up from the bottom. It help keeps the building air cool in the summer and warm in the winter.