{"id": 1033301, "name": "Annual concentration of atmospheric nitrous oxide", "unit": "parts per billion volume", "createdAt": "2025-05-22T15:25:56.000Z", "updatedAt": "2025-05-26T07:41:40.000Z", "coverage": "", "timespan": "-796475-2024", "datasetId": 7102, "shortUnit": "ppbv", "columnOrder": 0, "shortName": "n2o_concentration", "catalogPath": "grapher/climate/2025-05-22/climate_change_impacts_annual/climate_change_impacts_annual#n2o_concentration", "descriptionShort": "Measured in parts per million.", "descriptionFromProducer": "This indicator describes how the levels of major greenhouse gases (GHGs) in the atmosphere have changed over geological time and in recent years. Changes in atmospheric GHGs, in part caused by human activities, affect the amount of energy held in the Earth-atmosphere system and thus affect the Earth's climate. 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USA (https://gml.noaa.gov) - Trends in Atmospheric Nitrous Oxide.\n\nLan, X., K.W. Thoning, and E.J. Dlugokencky: Trends in globally-averaged CH4, N2O, and SF6 determined from NOAA Global Monitoring Laboratory measurements. https://doi.org/10.15138/P8XG-AA10", "attribution": "NOAA Global Monitoring Laboratory - Trends in Atmospheric Nitrous Oxide (2025)", "attributionShort": "NOAA/GML", "urlMain": "https://gml.noaa.gov/ccgg/trends_n2o/", "urlDownload": "https://gml.noaa.gov/webdata/ccgg/trends/n2o/n2o_mm_gl.csv", "dateAccessed": "2025-05-22", "datePublished": "2025-05-05", "license": {"url": "https://gml.noaa.gov/about/disclaimer.html", "name": "CC BY 4.0"}}, {"id": 611, "titleSnapshot": "Climate Change Indicators: Atmospheric Concentrations of Greenhouse Gases - Nitrous Oxide", "title": "Climate Change Indicators: Atmospheric Concentrations of Greenhouse Gases", "description": "This indicator describes how the levels of major greenhouse gases in the atmosphere have changed over time.\n\nThe data contains concentrations of carbon dioxide in the atmosphere from hundreds of thousands of years ago through 2021, measured in parts per million (ppm). The data come from a variety of historical ice core studies and recent air monitoring sites around the world.", "producer": "United States Environmental Protection Agency", "citationFull": "United States Environmental Protection Agency (EPA) - Climate Change Indicators: Atmospheric Concentrations of Greenhouse Gases (2022)\n\nGlobal atmospheric concentration measurements for carbon dioxide, methane, and nitrous oxide come from a variety of monitoring programs and studies published in peer-reviewed literature.\n\nMore details can be found on [their technical documentation](https://www.epa.gov/sites/default/files/2021-03/documents/ghg-concentrations_td.pdf).", "attribution": "EPA based on various sources (2022)", "attributionShort": "EPA", "urlMain": "https://www.epa.gov/climate-indicators/climate-change-indicators-atmospheric-concentrations-greenhouse-gases", "urlDownload": "https://www.epa.gov/system/files/other-files/2022-07/ghg-concentrations_fig-3.csv", "dateAccessed": "2024-04-17", "datePublished": "2022-07-01", "license": {"url": "https://edg.epa.gov/epa_data_license.html", "name": "Public domain"}}]}