washington

ACEEE’s review of states and territories with laws requiring a transition to 100% clean electricity, found that only Virginia and Washington include specific efficiency targets.

Massachusetts is top state for LEED followed by Washington, Illinois; California ranks #1 for LEED green building professionals, according to USGBC.

The five-story, 159,000-square-foot Catalyst building is one of the largest zero energy buildings in North America and one of the first zero carbon buildings to be certified by the International Living Future Institute.

Massachusetts and Washington earned the second and third spots in the U.S. Green Building Council’s annual Top 10 States for LEED Green Building ranking.

Actually, do look down: That's the whole point. Seattle's revamped Space Needle features the world's only revolving glass floor and delivers wide-open views as guests float above the city.

The West Coast has it in the bag when it comes to the best places in the U.S. to go trick or treating.

A provider of commercial real estate (CRE) energy management solutions, MACH Energy is focused on demonstrating that efficiency upgrades for buildings do not have to...