The temperature of the planet will continue the upward trend observed over the last decade and will exceed the objective set by the Paris Agreement to limit global warming to 1.5°C, above the first records in 1850, according to the latest report from the World Meteorological Organization (WMO) published today.
According to the WMO, between January and September 2024, the average temperature of the planet exceeded 1.54°C, about 0.14°C above threshold advised by the Paris Agreement, the reference value of the pre-industrial period, a milestone that will place this year at the top of the list of the warmest years ever recorded.
WMO scientists warn that the decade 2015–2024 has been the warmest on record and that, after a long series of increasingly higher average monthly temperatures, this year is on track to become the warmest the warmest year since records exist.
The concentrations of greenhouse gases on the planet during 2023 surpassed all previous records and the indices indicate that in 2024 they will continue to increase. The atmospheric concentration of carbon dioxide (CO2) has increased by 51% in 2023 with reference to 1850, going from 278 parts per million (ppm) to 420 ppm.
Regarding ocean temperature, which regulates climate, in 2023 the observed levels were extremely high and in 2024 they will probably continue at comparable levels. Between 2005 and 2023 the seas have absorbed an average of 3.1 million terawatt hours (TWH) exceeding global energy consumption by about 18 times.
According to him WMO studythe oceans absorb around 90% of the energy accumulated on the planet, so it is expected that if the warming of marine waters continues to increase, it will continue, irreversibly, for thousands of years. A not very optimistic perspective that is already causing catastrophic consequences.
Warming oceans accelerate the melting of glaciers and the rise in sea level. Between 2014 and 2023, global sea level rose by around 4.77 millimeters annually, more than double what it rose between 1993 and 2002. In 2023, under the effects of the El Niño phenomenon, this pace accelerated and in 2024 it will continue along the same path.
Increase in temperatures in the oceans that cause extreme climate phenomena with tragic human and economic consequences in numerous regions of the planet and accelerate the reduction of ice in the polar caps. In the Antarctica, Sea ice extent was the second lowest ever observed, the WMO study warns.
Despite the disturbing climate situation, the United Nations specialized agency continues to send messages of optimism and its secretary general, Celeste Saulodeclared on the occasion of the presentation of the annual report that “we have not yet failed to achieve the objectives set in the Paris Agreement “to keep the average temperature below 2°C and to limit this increase to 1.5°C.”
«When they correspond to daily, monthly or annual periods, the anomalies in global temperatures are subject to large variations, due in part to climatic phenomena such as The Boy or The Girl that should not be assimilated to the long-term temperature goals set by the Paris Agreement,” he explained. Saul.
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