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Passive House Institute US
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Standards and training for ultra-efficient buildings
More resources on Green Building/Architecture
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USGBC
LEED standards and green building certification resources
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BuildingGreen
In-depth articles, product reviews, and research on sustainable materials
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Green Building Advisor
Top resource for practical green building advice and forums
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Sustainable Building Practices
Learn sustainable building practices & green architecture principles. Build a greener future!
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The Green Building Bible
The Green Building Bible - A book resource
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usgbc.org
The U.S. Green Building Council (USGBC) is a nonprofit advancing sustainable building practices and LEED certification. The site offers resources, standards, training, case studies, news, and events for designers, builders, and policymakers.