According to the U.S. National Oceanic and Atmospheric Administration (NOAA), greenhouse gases continue to accumulate in the atmosphere. Data, presented at the Cop27 climate talks, confirmed a new record for carbon dioxide of 415 ppm in mid-2021, according to the World Meteorological Organization (WMO). NOAA reported on an upward trend in methane, a potent greenhouse gas. In January 2002, the monthly mean value was 1,774 ppb. This increased to 1,807 ppb in January 2012 and at the beginning of 2022, attained 1,908 ppb.