Renewable Energy Task Force Meeting 11/12/2008 - Determining a Company’s Carbon Footprint: How to calculation your greenhouse gas (GHG) emissions, including an overview of the Western Climate Initiative (WCI), its members, and how it affects our industry. Insight into calculating GHG emissions - carbon footprint - including typical GHGs and their sources, determining a base year, defining boundaries, sources for estimating your carbon footprint, calculations, and reporting.