The Greenhouse Gas Reporting Program was created in 2008 to provide a comprehensive summary of U.S. greenhouse gas emissions. The Trump administration also refused to release this year’s U.S. Greenhouse Gas Inventory – an annual accounting of pollution that uses Greenhouse Gas Reporting Program data. Greenhouse Gas Reporting TimelineThe initial Greenhouse Gas Reporting Rule was mandated by Congress in the Fiscal Year 2008 Consolidated Appropriations Act and was promulgated under section 114 of the Clean Air Act. The Greenhouse Gas Reporting Program currently requires reporting of greenhouse gas data from certain large greenhouse gas emission sources, fuel and industrial gas suppliers, and CO2 injection sites. The Greenhouse Gas Reporting Program requires reporting of greenhouse gas data from large sources and suppliers across a range of industry sectors.