Conservation Engineering - White Papers Lighting Efficiency Lighting and Mercury   Chesapeake, the newsletter of the Maryland Sierra Club, July 2007 Conservation as a Business Strategy Electricity - Costly for the Environment and for Us Comparing Alternative Energy and Conservation Uninterruptible Power Supply (UPS) Costs Renewable Energy Credits (RECs) – Issues and Process   Chesapeake, the newsletter of the Maryland Sierra Club, February 2008 Stretch Goals for the Environment  Address to the Washington Ethical Society, August 19, 2007 Why Save Energy - Presentation Solar Water Heating - Presentation Sample Projects     Twin Farms Pool & Tennis Club Energy Study TW P & TC PowerPoint Presentation     Food Wholesaler           Electrical Usage History               Electrical Load Analysis        Suggested Improvements