Energy Star: Government web site with information on how reduce energy consumption.

Clean Currents: Offer low cost, green electricity, consulting and advisory services to DC metropolitan area businesses and residents.

Calculate savings if switching to compact fluorescent lights: Enter the current number of incandescents, wattage, and state, and get dollar and carbon dioxide savings.

Which bulb is best for you: Find which type of eco-friendly bulb works best for your needs.

LED Exit Signs Energy Savings Calculator: Calculate energy and cost savings of switching to LED exit lights.

Checklist for Reducing Home Energy Use: Provided by the American Council for an Energy Efficient Economy (ACEEE).

Cool Companies: A project of the non-profit Center for Energy & Climate Solutions, this company helps companies design and implement strategies to cut energy use and pollution.

Alliance to Save Energy (ASE): Promotes energy efficiency worldwide to achieve a healthier economy, a cleaner environment, and greater energy security.

Energy Hog.org: http://www.energyhog.org. Provides checklists and suggestions on savings energy for adults and children.

EnergyHawk: More tips on savings energy.

Consortium for Energy Efficiency (CEE): A nonprofit that promotes energy-efficient products and services.

Energy Guide: Provides information on energy information, include green energy options.

Energy Efficiency and Renewable Energy Network of the US DOE: Database and search engine on all aspects of energy efficiency and renewable energy. The site provides access to a wealth of information about renewable energy and energy efficient technologies.