In climate, humanity in 2021 broke the only records that should not be exceeded

Environment – these records were not to be bypassed however we did. On Wednesday, May 18, the World Meteorological Organization (WMO), a United Nations body, released its report on “The State of the Global Climate in 2021” and the result is clear: greenhouse gas concentrations, sea level rise, and temperature. And ocean acidification all set new records in 2021.

The head of the United Nations, António Guterres, denounced this report as “a regrettable series of failures of humanity in the fight against climate change”. “The global energy system is fractured and bringing us closer and closer to climate catastrophe,” he warned, urging “an end to fossil fuel pollution and an acceleration of the transition to renewable energy before our only corpses are cremated.”

greenhouse gas concentrations

Greenhouse gas concentrations reached a new global level in 2020, when the concentration of carbon dioxide (CO2) reached 413.2 parts per million worldwide, or 149% of pre-industrial levels. Data show that it continued to increase in 2021 and early 2022, with the average monthly CO2 concentration at Mona Loa in Hawaii at 416.45 ppm in April 2020, 419.05 ppm in April 2021 and 420.23 ppm In April 2022, according to the report.

ocean acidification

The ocean absorbs about 23% of the annual man-made carbon dioxide emissions into the atmosphere. Although this slows the increase in carbon dioxide concentrations in the atmosphere, the latter reacts with seawater and leads to ocean acidification. Meanwhile, the ocean temperature also hit a record high last year, exceeding the value for 2020, according to the report. The 2,000-meter rise in the deep ocean is expected to continue in the future – “an irreversible change on time scales from centuries to millennia,” the World Meteorological Organization said, adding that the heat has penetrated deeper and deeper.

sea ​​level rise

The report said that the global average sea level set a new record in 2021, after rising by an average of 4.5 mm annually from 2013 to 2021. The document showed an average increase of 2.1 mm annually between 1993 and 2002, and the increase was between The two periods are “mainly due to the accelerated loss of ice mass from the ice caps,” the document asserts.

High temperature

The report emphasized that the past seven years were the hottest ever. The weather events associated with Benina in early and late 2021 had a frightening effect on global temperatures last year. But despite this, 2021 remains one of the hottest years on record, with the average global temperature averaging around 1.11°C above pre-industrial levels. The 2015 Paris Climate Agreement aims to limit global warming to +1.5°C compared to the pre-industrial era.

Meanwhile, the report says the Antarctic ozone hole is “extraordinarily deep and wide” at 24.8 million square kilometers in 2021, driven by a strong and stable polar vortex.

Our climate is changing before our eyes.

“It is only a matter of time before another year becomes the hottest on record,” said WMO President Petteri Taalas. “Our climate is changing before our eyes. The heat entrapped by man-made greenhouse gases will warm the planet for many generations to come. Sea level rise, heat and ocean acidification will continue for hundreds of years unless ways are invented to remove carbon from the atmosphere.”

António Guterres proposed five actions to start the transition to renewables “before it is too late”: ending fossil fuel subsidies, triple investment in renewables, reducing red tape, securing raw materials supply for renewable energy technologies, and making these technologies – such as battery storage – Global public goods are freely available.

“If we work together, the renewable energy transformation can be the peace project of the 21st century,” said Antonio Guterres.

See also on The HuffPost: The Three Attitudes Are Really Good for Climate According to the Intergovernmental Panel on Climate Change

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