The "World's Greenest Commercial Building" processes its own sewage, prohibits furniture or paint with toxic chemicals, and provides parking for bikes but not cars.

Home of the U.S. Army Corps of Engineers, the LEED-Gold certified Federal Center South Building uses one-fifth of the energy used by other air-conditioned buildings in the region.

The school's Living Building Science Wing was recently named the first Living Building on the West Coast and the world's fourth fully certified Living Building.

The 120,000-square-foot building currently under construction is a part of the City of Seattle's Living Building Pilot Program. It will be an intelligently designed office building that empowers both developer and future tenants to reduce energy consumption.

Built to LEED for Homes Gold standards, this complex has a 2,300 square-foot rooftop deck featuring an actual "greenhouse", an irrigated P-Patch for every resident, fruiting shrubs and trees, and rainwater collection.

Located in South Lake Union, Alcyone was Seattle's first LEED apartment building. It features drought-resistance landscaping and a rooftop resident garden that usesrecycled rainwater.

Fisher Pavilion is one of the first buildings in Seattle to be designed and constructed under the city policy requiring all public facilities over 5,000 square feet to achieve a LEED Silver rating.

One of 60 hotels in the country to be officially designated "green" by the LEED Green Building Rating System. It was the first LEED hotel for Hyatt and the city of Seattle.

Currently being developed, this building will take rain from the buildings' roofs and feed it to a brand-new wetland, planted with sedges, ferns, camas and willow. Plans show a tiny "orchard" of native bitter cherry trees, chosen because birds like their fruit.

The site plan includes more than 20 acres of greenspace, including parks, playgrounds, a jogging trail, an athletic field, and community garden spaces. The project team preserved 150 existing trees and planted more than 2,500 new ones. A natural drainage system incorporates narrow streets, pervious sidewalks, drainage swales, and a detention pond.

The 255-acre campus of IslandWood includes native plantings, low-flow fixtures, rainwater collection, and onsite wastewater treatment with both a Living Machine and constructed wetlands minimize potable water use and maximize the students' understanding of the hydrologic cycle. The campus is almost exclusively vehicle free.