The United States Code in XML uses the USLM Schema. That schema is explained in greater detail in the USLM Schema User Guide. For rendering the XML files, a Stylesheet (CSS) file is provided.
This dataset includes U.S. state and national economy-wide emissions of the six major greenhouse gases including CO2, CH4, N2O, and F-Gases (PFCs, HFCs, and SF6) from most major sources and sinks.