The AGGI is a measure of the climate-warming influence of long-lived trace gases in the atmosphere and how that influence has changed since the onset of the industrial revolution. The index was designed to enhance the connection between scientists and society by providing a normalized standard that can be easily understood and followed.

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The NOAA Annual Greenhouse Gas Index (AGGI) tracks the increasing amount of heat being added to the atmosphere by human-related greenhouse gas (GHG) emissions. It is based on the highest quality measurements of GHGs in the atmosphere from sites around the world.

2022年6月17日 · The AGGI combines the warming influence of the main human-produced greenhouse gases and compares them to conditions in 1990. In 2022, the AGGI hit 1.49, indicating a 49 percent increase in the warming influence of greenhouse compared to 1990.

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The Annual Greenhouse Gas Index (AGGI) is a measure of the capacity of Earth’s atmosphere to trap heat as a result of the presence of long-lived greenhouse gases. The AGGI provides standardized information about how human activity has affected the climate system through greenhouse gas emissions.

• The Annual Greenhouse Gas Index (AGGI), defined as the ratio of the annual post-industrial radiative forcing by long-lived greenhouse gases to that which was present in 1990, was 1.23 for the year 2006, (an increase in total radiative forcing of 23% since 1990).

2023年7月7日 · The NOAA Annual Greenhouse Gas Index (AGGI) tracks the increasing amount of heat being added to the atmosphere by human-related greenhouse gas (GHG) emissions. It is based on the highest quality measurements of GHGs in …

NOAA’s Annual Greenhouse Gas Index, known as the AGGI, tracks increases in the warming influence of human emissions of heat-trapping gases, including carbon dioxide, methane, nitrous oxide, chlorofluorocarbons, and 16 other chemicals.

NOAA's Global Monitoring Laboratory posts an Annual Greenhouse Gas Index (AGGI) that tracks yearly changes in the warming-influence of long-lived, trace greenhouse gases. As reported May 14, 2020, by NOAA-ESRL with an update to its AGGI webpage, the combined influence of all greenhouse gases in the Earth's atmosphere reached the equivalent of ...