A number of existing laws, regulations, and other domestically mandatory measures are relevant to the implementation of the target, which we detail in the information provided.Party: United States of America Intended nationally determined contribution The United States intends to achieve an economy-wide target of reducing its greenhouse gas emissions by 26%-28% below its 2005 level in 2025 and to make best efforts to reduce its emissions by 28%. ****************************************************************************** Information provided in order to facilitate clarity, transparency, and understanding Scope and coverage: Gases: The U.S. target covers all greenhouse gases included in the 2014 Inventory of United States Greenhouse Gas Emissions and Sinks: carbon dioxide (CO2 ), methane (CH4 ), nitrous oxide O), perfluorocarbons (PFCs), hydrofluorocarbons (HFCs), sulfur hexafluoride (SF6 ), and nitrogen trifluoride (NF3 ). Sectors: The U.S. target covers all IPCC sectors.