On January 20, the GHG Protocol released the Scope 2 Guidance: an amendment to the Corporate Standard. It is the first major revision to the Corporate Standard in over 11 years. To help companies start implementing the Guidance, here are a few answers to the top ten questions you might have and where to find more information in the Guidance document.

For many businesses, value chain (scope 3) emissions account for more than 70 percent of their carbon footprint. Measuring and managing these emissions can motivate a company to do business with greener suppliers, improve the energy efficiency of its products, and rethink its distribution network -- measures that significantly reduce the overall impact on the climate.