Training and education of Green Plumbers USA
U.S. Green Building Council (USGBC) and LEED
USGBC Green Home Guide
EPA's WaterSense Program
EPA's Energy Star Program
EPA's Green Building resources
Environments for Living
The American Institute of Architects
American Society of Interior Designer (ASID) Sustainable Design Knowledge Center
Environmental Building News and GreenSpec
Homeowner resource for green information and resources
Plumbing Manufacturers Institute (PMI) Safe Plumbing website