October 19, 2021

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Climate: The UN warns that the +1.5 ° C limit could be reached by 2025

Climate: The UN warns that the +1.5 ° C limit could be reached by 2025

The UN warned on Thursday that by 2025, the average temperature in a year could exceed the pre-industrial limit by 1.5 C, jeopardizing the goal of the Paris Climate Agreement.

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Under the influence of climate change, the past decade recorded record temperatures: 2020 reached the highest temperatures in the world in 2016, averaging 1.25 ° C over the pre-industrial period.

However, the Paris Agreement, which ended in 2015, states that “the average temperature rise on the planet will be significantly less than 2 ° C by continuing the action taken to raise the temperature to 1.5 పూర్ C, compared to pre-industrial levels.” [Ce qui] Significantly reduces the risks and effects of climate change. “

According to a study conducted by the British Meteorological Office for the United Nations Special Agency – World Meteorological Organization (WMO), the chances of crossing the next limit in at least one calendar year are constantly increasing. Thursday

The WMO underlines the presentation of the Bulletin on “Global Annual and Decade Weather Forecasts” that “the average annual global temperature will be at least 40% 1.5 1.5 C for at least one of the next five years, temporarily above pre-industrial values; and this potential will increase over time”.

In addition, “there is a 90% chance that at least one year between 2021 and 2025 will become the hottest ever recorded.

Although this breakthrough is only temporary, “this study shows that with a lot of scientific credibility, we are approaching the lower limit of the Paris Agreement in a measurable and inevitable way”, WMO boss Petri Talas underlined in the show.

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And we warn of the consequences of warming due to ice melting, sea level rise, increased heat waves and other extreme weather phenomena due to rising temperatures, as well as food security, health, the environment and more. Sustainable development “.

Other experts, such as Joey Rogerz of Imperial College London, have suggested that a temporary 1.5 ° C breach does not mean the end of the Paris Agreement. “But it’s still very bad news,” he said. “Once again, measures to tackle global warming are far from adequate and reducing emissions to zero is essential,” he said. [de gaz à effet de serre] Stop overheating. “