The data can be found in the summary published by the World Meteorological Organization WMO.
11:33•Updated 11:48
Atmospheric greenhouse gas concentrations measured in 2023 were higher than ever before in the history of measurements.
The concentration of carbon dioxide has increased by more than ten percent in just two decades.
The information can be found in the publication of the World Meteorological Organization WMO from the composition.
The concentrations of greenhouse gases have increased considerably since the time before industrialization, i.e. since 1750. The concentration of carbon dioxide has increased by 151 percent, the concentration of methane by 265 percent and the concentration of nitrous oxide by 125 percent.
Carbon dioxide concentrations were last this high 3–5 million years ago, when the average global temperature was 2–3 degrees higher than today and sea levels were 10–20 meters higher than today.
– The increase in the concentration of carbon dioxide in the atmosphere is mainly due to the use of fossil fuels, but also to cement production and land use, says the head of the Finnish Meteorological Institute’s unit Annalea Lohila published by the institution in the bulletin.
– In 2023, the amount of carbon dioxide was also increased by carbon dioxide emissions from large vegetation fires and possibly by the reduction of carbon sinks in forests.