The US EPA Office Carbon Footprint Calculator Sara Hartwell U.S. EPA March 6, 2008 The Office Carbon Footprint Calculator The Calculator is modeled after WARM. It will be: Available on the Internet Accessible without fee User Friendly • Excel spreadsheet • Fill in the blank format • User-defined inputs • Provides defaults based on national averages whenever possible Methodologies and scope will applicable to a variety of office sizes, locations, and types The Calculator will provide suggestions for positive actions We envision that it will be used for benchmarking and driving performance improvements World Resources Institute World Business Council for Sustainable Development's (WRI-WBCSD) Corporate Protocol for GHG Accounting outlines 3 scopes used in GHG accounting and reporting purposes. CO2, CH4, CO2, CH4, CO2, CH4, N2O N2O, HFC, N2O PFC’s, SF6 Scope 2 Scope 1 Scope 3 Waste Disposal, Employee Purchased Transportation, Electricity, Purchased Heat, and/or Materials, and Steam Contractor Produced Electricity, Heat or Transportation Steam, Company-owned Transport, and Refrigeration & Air Conditioning Units Scope 1 Direct GHG emissions occurring from sources that are owned or controlled by the business. Includes: electricity, heat, and/or steam produced on- site company-owned transport (company cars, private jets, and trucks transporting company products) refrigeration and air conditioning units Scope 2 GHG emissions resulting from the generation of purchased electricity, heat, and/or steamed used in the office. Scope 3 Indirect emissions from waste disposal, employee transportation, production of purchased materials, and contractor vehicles Waste disposal includes the amount of waste the office generates as well as which materials are recycled versus disposed of. Employee transportation includes modes and distances employees commute to and from work along with any travel associated with work, such as travel to conferences. The production of purchased materials, such as computers, paper, and pens, is included in scope 3 estimates. Emissions from contractor vehicles include travel while working, as well as commute to and from to the company's facilities and/or an off-site facility.