International Association of Japanese Gardens, Inc.
Advances Japanese gardens and promotes intercultural communications by celebrating and studying Japanese gardens throughout the world.
www.japanese-gardens-assoc.org
Northwest Energy Efficiency Alliance
A nonprofit consortium dedicated to transforming markets for energy-efficient products and services.
www.nwalliance.org
Oregon Archaeological Society
Family oriented, Portland based society of field trained volunteers and archaeological professionals who study Pacific Northwest native lifeways.
www.oregonarchaeological.org
Astronomy
Rose City Astronomers
Amateur astronomy club serving Portland, Oregon, with meetings and star parties open to everyone.
www.rca-omsi.org
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