Ya, the Greenhouse Gas Protocol — https://ghgprotocol.org/ — is the universally accepted way for companies to measure their emissions. It's been around for about a decade.

That being said, the Greenhouse Gas Protocol reporting has been pretty inconsistent in the past. Companies cherry-pick and leave out important info, or define their 'reporting boundary' in inconsistent ways. One of our goals is to help 'debug' these inconsistencies.

Lucas Joppa from Microsoft laid this out quite well here: https://www.ted.com/talks/lucas_joppa_how_to_fix_the_bugs_in...