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Keeling Curve

Mauna Loa atmospheric CO₂ rising trend with major treaty markers.

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{
  "data": [
    { "type":"scatter","mode":"lines","name":"CO₂ (ppm)",
      "x":[1960,1965,1970,1975,1980,1985,1990,1995,2000,2005,2010,2015,2020,2024],
      "y":[317,320,325,331,338,346,354,360,369,379,389,400,414,422],
      "line":{"color":"#dc2626","width":3} }
  ],
  "layout":{
    "title":"Atmospheric CO₂ — Mauna Loa",
    "xaxis":{"title":"Year"},
    "yaxis":{"title":"CO₂ (ppm)"},
    "annotations":[
      {"x":2000,"y":369,"text":"Kyoto","showarrow":true,"arrowhead":3,"ax":-30,"ay":-30},
      {"x":2015,"y":400,"text":"Paris","showarrow":true,"arrowhead":3,"ax":-30,"ay":-30}
    ]
  }
}