EPA ENERGY STAR® Power Management features
www.energystar.gov/
Save $25 to $75 annually per computer with power management features.

HP Energy Tips
www.hp.com/
HP computer, monitor and printer carbon footprint (and cost) calculators
HP offers Tips and Tools for users

EdTech magazine - Save Green by Going Green 
www.edtechmag.com/
This article contains mini case studies from several school districts and includes a few tips towards a more energy efficient computing environment.

Computer World - Top 15 Green IT Stories
www.computerworld.com/
A focus on power saving actionable items.