Cradle to Cradle Products Innovation Institute
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The nonprofit that administers the Cradle to Cradle Certified product standard. It publishes the standard text and its five assessment categories — material health, circularity, clean air, water stewardship, social fairness — plus certified-product case studies and webinars.
More resources on Sustainable Design
usgbc.org
USGBC (U.S. Green Building Council) is a nonprofit advancing sustainable buildings and communities, best known for LEED certification. The site provides LEED info and resources, green-building standards, professional education and certification, case studies, news, and events.
Whole Building Design Guide
Web portal from the National Institute of Building Sciences collecting federal design criteria, standards and case studies across building disciplines. Covers high-performance and resilient building practice, so a reader can locate the governing guidance for a given system or project type.
usgbc.org/leed
USGBC’s LEED page explains the LEED green building rating system, its certification process, and how to pursue sustainable design across projects. It also provides detailed credits and categories, case studies, training and professional development resources, news, and guidance for designers, builders, and policymakers.
Sustainable Neighborhoods
Johns Hopkins course in the Sustainable Cities specialization examining a neighborhood's natural context, components and structure through case studies in Houston, San Antonio and Chattanooga, so learners can evaluate neighborhood plans and sketch general plans for urban parks.
sustainableinfrastructure.org
Institute for Sustainable Infrastructure's site dedicated to sustainable infrastructure and the Envision rating system, with resources for planning, design, and project verification. Explore Envision's framework, case studies, training, and certification to create resilient, community-focused infrastructure.
Cradle to Cradle
Argues that recycling only slows waste, and proposes designing products and buildings so materials cycle endlessly through biological or technical loops. Readers come away with a materials-first framework for evaluating design decisions rather than minimizing harm.