In May 2021, the concentration of carbon dioxide reached an all-time high again From NOAA
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According to the verge, a foreign media report, even a global pandemic can’t stop the surge of carbon dioxide concentration. In May 2021, they reached an all-time high again, and scientists compared the annual CO2 concentration in May.
According to the National Oceanic and Atmospheric Administration (NOAA), the concentration of carbon dioxide in the atmosphere climbed to nearly 419ppm in May this year. This accumulation of carbon dioxide is comparable to that of more than four million years ago, when the global average temperature was about seven degrees Fahrenheit higher and the sea level was 78 feet higher.
Without more aggressive action, carbon dioxide levels will continue to rise – bringing the world closer to worse temperatures and coastal floods, scientists warn.
“The ultimate control of carbon dioxide in the atmosphere is fossil fuel emissions,” Ralph Keeling, an oceanographic geochemist at the Scripps Institute of Oceanography, said in a NOAA statement“ What we ultimately need is bigger, longer lasting cuts than the covid related closures in 2020. “
Carbon dioxide pollution will fall by about 6% in 2020, because in the early days of the pandemic, people stayed at home and businesses stopped operating. But by the end of last year, CO2 levels were rising again. Emissions from global energy use in December 2020 are already slightly higher than a year ago.
The year 2020 also marks five years since the adoption of the historic Paris Agreement. Over the past year, governments have been under pressure to increase their commitment to cut greenhouse gas emissions. But so far, their aspirations have not been supported by ambitious actions to significantly slow the rise in atmospheric carbon dioxide concentrations.
According to NOAA, the impact of the pandemic has no significant impact on the historical carbon dioxide record. In the late 1950s, Charles David Keeling (Ralph Keeling’s father) was the first scientist to find that carbon dioxide levels were rising every year, despite natural seasonal fluctuations. The fluctuation of carbon dioxide level depends on when the plants in the northern hemisphere are greenest, when they absorb the most carbon dioxide, and when they leave leaves and release carbon dioxide. The researchers looked at the level of carbon dioxide in May, when it is usually the highest in a year.
Since 1958, Keeling and other researchers have recorded higher levels of carbon dioxide each may than the previous year.
NOAA: in March 2015, the global average concentration of carbon dioxide exceeded the 400ppm level, which is the first time in the history of observation. WMO: in 2015, the global average concentration of carbon dioxide reached a new high, reaching 400ppm for the first time. NOAA: in July 2019, it was found to be the hottest month on record. In April 2020, the level of carbon dioxide reached 17%, which is the highest IOP: carbon dioxide production It only takes ten years to produce greenhouse effect UCI: research finds that existing power plants / cars will emit 65.8 billion tons of carbon dioxide into the atmosphere University of Southampton: it is estimated that the global carbon dioxide level will reach the highest level in 3.3 million years in 2025 IEA: it is estimated that the global carbon dioxide emissions will increase by 1.5 billion tons in 2021 Edinburgh: the global carbon dioxide emissions have remained the same in the past three years Stanford University: it is estimated that Global carbon dioxide emissions are expected to reach a new high in 2019 NOAA: cumulative loss of US $95 billion due to major natural disasters in 2020 NOAA: 2014 or the hottest year in history Carbon emissions stopped growing to 32.3 billion tons
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