NASCIO - National Association of State Chief Information Officers, Greening of IT Working Group
www.nascio.org/committees/green/

Green Technology
www.green-technology.org

US Government’s Energy Star Program
www.EnergyStar.gov

EPEAT - Electronic Product Environmental Assessment Tool
www.epeat.net/

Climate Savers Smart Computing Initiative
www.climatesaverscomputing.org

The Green GridSM
Focused on reducing datacenter energy usage, the Green Grid uses a Power Usage Effectiveness indicator for efficiency. Included are free cooling tools and online, interactive learning modules. www.thegreengrid.org

UN Solving the E-waste Problem (StEP)
www.step-iniative.org

Carbon Disclosure Project
www.cdproject.net 

Educause - advancing higher education by promoting the intelligent use of IT
Green IT Resources
http://connect.educause.edu/term_view/Green%2BIT 
Campus Sustainability Resources
http://connect.educause.edu/term_view/Sustainability