The health of our waters is the principal measure of how we live on the land — Luna Leopold
CO2 levels Week of 23 April 2023: 424.40 parts per million — World Meteorological Organization @WMO
Mauna Loa is WMO Global Atmosphere Watch benchmark station and monitors rising CO2 levels Week of 23 April 2023: 424.40 parts per million Weekly value one year ago: 420.19 ppm Weekly value 10 years ago: 399.32 ppm 📷 http://CO2.Earthhttps://co2.earth/daily-co2. Credit: World Meteorological Organization
