One of the most amazing green roofs in the world is at the School of Art, Design and Media at Nanyang Technological University in Singapore. I like that this building invites you to walk onto its' roof as if it were a hill.
6 enchanting and out-there entries in the eVolo Skyscraper Competition
An impromptu park is part of Peru’s Gran Semana de Lima (Lima’s Great Week) offering urban dwellers a welcome greenspace. The Invasion Verde art installation features recycled tires, plastic sculptures, grassy mounds, seating areas, and flowers.