This portfolio of leading-edge ecostructures by prestigious firms the world over proffers blueprints for the future of architecture. The book presents innovations that show how advanced technology answers the challenge to use less and recycle more, how using local materials reduces costs, how incorporating elements of nature conserves our ecology, how buildings can take on the shapes of their natural surroundings to harmonize with the land, and how existing structures can be modernized by eco-friendly engineering and sustainable materials.