A third year of La Niña, a record-setting underwater volcanic eruption, and drought expansion. These are just a few of the highlights of the State of the Climate 2022 report.
, is based on contributions from more than 570 scientists in over 60 countries. It provides the most comprehensive update on Earth’s climate indicators, notable weather events and other data collected by environmental monitoring stations and instruments located on land, water ice and in space.
“People are causing the largest known change in global climate since our transition to agriculture thousands of years ago,” said Paul Higgins, associate executive director of the American Meteorological Society. “The State of the Climate in 2022 report — an ongoing collaboration between NOAA and AMS — helps us understand the climate system, the impact people are having on climate and the potential consequences.
Carbon dioxide, methane and nitrous oxide — Earth’s major atmospheric greenhouse gases — once again reached record high concentrations in 2022. The global annual average atmospheric carbon dioxide concentration was 417.1 parts per million . This was 50% greater than the pre-industrial level, 2.4 ppm greater than the 2021 amount, and the highest measured amount in the modern observational records as well as in paleoclimatic records dating back as far as 800,000 years.
Change in heat content in the upper 2,300 feet of the ocean from 1993-2022. Between 1993–2022, heat content rose by up to 6 Watts per square meter in parts of the ocean . Some areas lost heat , but overall, the ocean gained more heat than it lost. The changes in areas covered with the gray shading were small relative to the range of natural variability. NOAA Climate.gov image, based on data from NCEI.
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