Greenhouse gas concentrations, global sea level and ocean heat content reached record highs in 2022, according to the 33rd annual State of the Climate report.
World map showing locations of significant climate anomalies and events in 2022. Credit: NOAA
Greenhouse gas concentrations, global sea level and ocean heat content reached record highs in 2022, according to the 33rd annualThe international annual review of the world's climate, led by scientists from NOAA's National Centers for Environmental Information and published by the, is based on contributions from more than 570 scientists in over 60 countries.
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.
Although tropical cyclone activity was near average, storms brought devastation to many areas across the globe. There were 85 named tropical storms during the Northern and Southern Hemisphere storm seasons last year, which was near the 1991–2020 average of 87. Three tropical cyclones reached Category 5 intensity on the Saffir–Simpson Hurricane Wind Scale, which was the fewest Category 5 storms globally since 2017. The accumulated cyclone energy for the globe was the lowest since reliable records began in 1981. Despite this, several storms caused massive damage.
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International report confirms record-high greenhouse gases, global sea levels in 2022Greenhouse gas concentrations, global sea level and ocean heat content reached record highs in 2022, according to the 33rd annual State of the Climate report offsite link. The international annual review of the world’s climate, led by scientists from NOAA’s National Centers for Environmental Information (NCEI) and pu
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