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Warming continues: Earth has recorded its 6th warmest year

Earth boils for the sixth warmest year on record in 2021, according to several newly released temperature measurements.

And scientists say the exceptionally warm year is part of a long-term warming trend It shows hints for acceleration.

Two American Scientific Institutions – NASA And this National Maritime and Atmospheric Administration – and a private measurement team released their estimates for global warming last year on Thursday, and everyone said it was not far behind the hottest 2016 and 2020..

2021 was detected between the fifth and seventh warmest years since the late 1800s. NASA says 2021 coincides with the sixth warmest 2018, while NOAA ranks sixth last year.

Scientists say And La Nina – The natural cooling of the central Pacific, which is changing global climate patterns and bringing cold deep seawater to the surface – on the other hand, El Nino, as it lifted them in 2016, also mitigated global temperatures.

However, they said that 2021 was La Nina’s warmest year, and that year did not indicate the cooling of man-made climate change, but rather the provision of more heat.

“So this is not a very hot headline, but give it a few more years and we’ll see another one of them,” said meteorologist Zeke Hausfather. Berkeley Earth The Monitoring Group reports that 2021 will be the sixth warmest year on record. “It’s a long-term trend, and it’s an unstoppable march.”

Gavin Schmidt, a climate scientist who heads NASA’s temperature group, said: “The long-term trend is very clear. And we are the reason for that. And it will not go away until it stops increasing the amount of carbon dioxide in the atmosphere. ”

NASA and NOAA data acknowledge the eight hottest temperatures recorded in the past eight years. Global temperatures, on average, are about 2 degrees (1.1 degrees Celsius) warmer than they were 140 years ago, averaging over a 10-year period to pick up natural variation, their data show.

Came from other 2021 measurements Japanese Meteorological Agency And by satellite measurements Copernicus Climate Change Service i n Europe and University of Alabama at Huntsville.

About eight to 10 years ago there was such a unique jump in temperature that scientists are beginning to see if the increase in temperature is fast. Early symptoms point to both Schmidt and the Housefather, but it is difficult to know for sure.

“If you look at the last 10 years, how many of them are higher than the trend line of the last 10 years? Almost all of them, “Schmidt said in an interview.

Russell Voss, head of NOAA Climate Analysis, told a news conference Thursday that 2022 has a 99% chance of being one of the 10 hottest years on record, and a 10% chance of that.

Voss said the probability of warming by at least 1.5 degrees Celsius (2.7 degrees Fahrenheit) for at least one year in the 2020s from pre-industrial times is 50-50. – The status of warming countries trying to avoid in the 2015 Paris Climate Agreement.

Although that limit is significant, the extreme weather conditions of climate change affect people in their daily lives with warming of about 1.2 degrees Celsius (2.2 degrees Fahrenheit), Vos and Schmidt said.

According to the NOAA, the global average temperature last year was 58.5 degrees (14.7 Celsius). In 1988, James Hanson, then NASA’s chief meteorologist, made headlines. When he testified to Congress about global warming in one year, it was the hottest on record at the time. Now, 1988 is the 28th warmest year on record, with 57.7 degrees (14.3 Celsius).

Last year, 1.8 billion people in 25 Asian, African and Middle Eastern countries, including China, Nigeria, Bangladesh, Iran, Myanmar and South Korea, recorded the hottest years, according to Berkeley Earth.

The deepest ocean in the ocean, setting a record for warming in 2021, a new step Study.

“Apart from threatening global warming, coral reefs and the number of marine life and fish, … the Antarctic ice sheet is disrupting and massively … threatening that sea levels will rise if we do not act,” said Michael Mann, co-author of the study. Pennsylvania State University Climate Scientist.

According to NOAA or NASA estimates, the Earth’s last warmer than normal was 1976. That means 69% of the planet’s population – over 5 billion people under the age of 45 – have never experienced such a year, according to United Nations data. .

North Carolina State Climate Expert Kathy Dello, 39, said they were not part of the new reports, but they did make sense, saying, “I’ve only lived in a world of warming, and I do not want the younger generation to say this. It does not have to be this way.”

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See also AP Climate Coverage at https://apnews.com/hub/climate.

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Follow Seth Forensstein on Twitter: ர Bournemouth.

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The Associated Press Department of Health and Science receives support from the Howard Hughes Medical Institute of Science Education. AP is solely responsible for all content.

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