On co2now.org, find the annual mean CO2 concentrations. Specifically, identify the NOAA-ESRL Mauna Loa value for 2022, the SCRIPPS UCSD Mauna Loa value for 2021, and the NOAA-ESRL Global value for 2019. Also, state the latest update date for the NOAA-ESRL Mauna Loa data.
Navigate to 'co2now.org'. Locate the 'Annual CO2' section or table. Identify the 'NOAA-ESRL MLO' annual mean concentration for the year 2022. Identify the 'SCRIPPS UCSD MLO (*)' annual mean concentration for the year 2021. Identify the 'NOAA-ESRL Global' annual mean concentration for the year 2019. Locate and state the 'latest update' date for the 'NOAA-ESRL MLO' data.
The NOAA-ESRL MLO annual mean concentration for 2022 is identified as 418.53 ppm. The SCRIPPS UCSD MLO annual mean concentration for 2021 is identified as 416.11 ppm. The NOAA-ESRL Global annual mean concentration for 2019 is identified as 410.07 ppm. The latest update date for NOAA-ESRL MLO data is stated as Feb. 5, 2024.