Technical FAQ: The Nature and Accuracy of Standard GHG Protocols

On February 2, 2021, Nature Communications published a study whose results indicate an under-reporting of city-level greenhouse gas (GHG) emissions across 48 U.S. cities. The GHG accounting method in the study is atypical in local GHG accounting, it is not fully comparable with city inventories, and does not address some of the key policy levers that drive cities to conduct GHG inventories and develop GHG mitigation strategies.