Note to GHG Protocol tool users: We have moved the GHG Protocol website to a new and improved online platform. If you created an account to download the tools prior to February 24th, 2011 please take a moment to re-register. Your previous log-in details will not work on the new platform. Thank you.
For companies and organizations whose business activities do not fall into one of the above categories, click here for a complete listing of available GHG calculation tools.