The Department for Energy Security and Net Zero publish national statistics on UK local authority and regional gas emissions. The greenhouse gases covered by these statistics are carbon dioxide, methane and nitrous oxide. In accordance with international reporting and carbon trading protocols, each of these gases is weighted by its global warming potential (GWP), so that total greenhouse gas emissions can be reported on a consistent basis (in carbon dioxide equivalent units). The GWP for each gas is defined as its warming influence relative to that of carbon dioxide. The GWPs used in these statistics are from Working Group 1 of the IPCC Fifth Assessment Report: Climate Change 2013.