• Business Benefits Calculator – Best Workplaces for Commuters
  US Environmental Protection Agency
• Cool Citizens: Everyday Solutions to Climate Change.
  Rick Heede, Rocky Mountain Institute, April 2002.
• Combined Heat and Power Partnership
  US Environmental Protection Agency
• Energy Star for Business
  Energy efficienct product listings, tools and programs. US Environmental Protection Agency
• Green Power Partnership
  US Environmental Protection Agency
• Methane Reduction Programs
  US Environmental Protection Agency
• Motivating Business Leaders to Improve Profitability through Energy Efficiency
  The Alliance to Save Energy and Executives for Energy Efficiency, November 2003
• Waste Wise – Climate Change and Solid Waste
  US Environmental Protection Agency