Home›20th-century neologisms›Keeling curve🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaРусскийالعربيةفارسیไทย한국어中文日本語EntityQ224858· pop 32· linked from 41 articlesKeeling curvegraph of the accumulation of CO2 in the Earth's atmosphere in Hawaii since 1958Wikidata factsImageMauna Loa CO2 monthly mean concentration-ca.svgSources (1)wikidata.orgvia Wikidata · CC0Available in 31 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsItalianoالعربيةBahasa IndonesiaBanglaConnectionsclimate changeEntityFridays for FutureEntityCategories20th-century neologismsAtmosphereCarbon dioxideHistorical climatology