September 27, 2022

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The hottest day on record in the last seven years

Climate change will not bring real relief. Although the global average temperature dropped slightly last year, 2021 remains one of the seven warmest years on record. The last seven years have been part of this catastrophic classification, according to the World Meteorological Organization (WMO) final report released on Wednesday, January 19th. The UN has warned that global warming will continue due to record levels of greenhouse gases in the atmosphere, human activities and the burning of fossil fuels (coal, oil and gas) in particular.

This situation is very exceptional because 2021 is marked by two chapters of La Nina, which is the cooling of surface water in the Pacific region of the central and eastern equator, which reduces the planet’s global temperature. “2021 is hotter than what was recently affected by La Nina”, Says WMO Secretary-General Better Thalas, long-term human-induced warming is now “Very pronounced” Than variation caused by natural climatic factors.

In 2021, the average temperature of the planet was about 1.1 times higher In the pre-industrial period (1850-1900) c. This value exceeds 1 This is the seventh consecutive year of pre-industrial industry conditions. Since the 1980s, every decade has been hotter than ever.

A collection of six international databases

The WMO integrates six international databases, such as NASA, the British Meteorological Office, or the European Copernicus Service to monitor climate change, to establish temperature estimates. Copernicus has rated 2021 as the fifth warmest year on record, Just before 2015 and 2018. The U.S. Oceanic and Atmospheric Administration and Berkeley Earth ranked it sixth, the British sixth and the Japanese Meteorological Service seventh.

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In the end, the WMO was unable to set an overall ranking for 2021 due to minor differences between the datasets. “Are on the verge of error in the calculation of average global temperature”, Says the company. The only confirmation: 2016 was marked by an exceptionally intense El Nino episode – which underscores global warming – and is warming the record, neck and neck in 2019 and 2020.

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