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File: ClimateDashboard_Greenhouse-gases_graph_20210610_1400px.jpg

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Alternate Text: Line graph of NOAA's annual greenhouse gas index through 2020
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Line graph of NOAA's annual greenhouse gas index through 2020

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The AGGI—short for Annual Greenhouse Gas Index—reports the combined warming influence of all long-lived greenhouse gases as a fraction of their influence in 1990.