Climate Change in United States 28 indicators covering climate change for United States. IndicatorLatest Year10-yr change Rank Greenhouse Gas Footprints (GHGFP) 2025 edition: Principal indicators 0.245 Kilogrammes of CO2-equivalent per US dollar 2022 down 39.8% 1st Greenhouse Gas Footprints (GHGFP) 2025 edition: Principal indicators 0.292 Kilogrammes of CO2-equivalent per US dollar 2022 down 36.0% 1st Agricultural greenhouse gases emissions — Agriculture 593,383 Tonnes of CO2-equivalent 2022 up 3.2% 1st Agricultural greenhouse gases emissions — Methane 702,355 Tonnes of CO2-equivalent 2022 down 8.1% 1st Agricultural greenhouse gases emissions — Nitrous oxide 389,708 Tonnes of CO2-equivalent 2022 down 0.8% 1st Agricultural greenhouse gases emissions — Carbon dioxide 5.05 million Tonnes of CO2-equivalent 2022 down 5.2% 1st Agricultural greenhouse gases emissions — Total greenhouse gas 593,383 Tonnes of CO2-equivalent 2022 up 3.2% 1st Agricultural greenhouse gases emissions — Total nitrous oxide (N2O) 307,998 Tonnes of CO2-equivalent 2022 up 3.2% 1st Agricultural greenhouse gases emissions — Total methane (CH4) from 276,790 Tonnes of CO2-equivalent 2022 up 4.1% 1st Agricultural greenhouse gases emissions — Manure management 64,724 Tonnes of CO2-equivalent 2022 up 4.7% 1st Agricultural greenhouse gases emissions — Enteric fermentation 192,578 Tonnes of CO2-equivalent 2022 up 3.6% 1st Agricultural greenhouse gases emissions — Manure management 16,994 Tonnes of CO2-equivalent 2022 up 9.4% 1st Agricultural greenhouse gases emissions — Agricultural soil 290,802 Tonnes of CO2-equivalent 2022 up 2.8% 1st Agricultural greenhouse gases emissions — Energy 5.20 million Tonnes of CO2-equivalent 2022 down 6.2% 1st Agricultural greenhouse gases emissions — Manufacturing industries 661,836 Tonnes of CO2-equivalent 2022 up 4.2% 1st Agricultural greenhouse gases emissions — Industrial processes and 383,183 Tonnes of CO2-equivalent 2022 up 4.8% 1st Agricultural greenhouse gases emissions — Energy industries 1.70 million Tonnes of CO2-equivalent 2022 down 23.2% 1st Agricultural greenhouse gases emissions — Total Carbone dioxide -921,792 Tonnes of CO2-equivalent 2022 up 7.0% 12th Agricultural greenhouse gases emissions — Total Nitrous oxide 9,114 Tonnes of CO2-equivalent 2022 up 32.7% 1st Agricultural greenhouse gases emissions — Total Carbone dioxide (CO2) 8,595 Tonnes of CO2-equivalent 2022 down 16.2% 1st Ammonia emissions — Ammonia 4.69 million Tonnes 2021 up 28.4% 1st Ammonia emissions — Agricultural ammonia 4.22 million Tonnes 2021 up 28.4% 1st Agricultural greenhouse gases emissions — Total methane 58,440 Tonnes of CO2-equivalent 2022 up 5.9% 1st Agricultural greenhouse gases emissions — Harvest wood products -92,753 Tonnes of CO2-equivalent 2022 down 21.3% 12th Agricultural greenhouse gases emissions — Hydrofluorocarbons 165,886 Tonnes of CO2-equivalent 2022 up 16.8% 1st Agricultural greenhouse gases emissions — Liming 3,268 Tonnes of CO2-equivalent 2022 down 45.3% 1st Agricultural greenhouse gases emissions — Field burning of 202.34 Tonnes of CO2-equivalent 2022 up 9.2% 1st Agricultural greenhouse gases emissions — Field burning of 620.64 Tonnes of CO2-equivalent 2022 up 7.9% 1st