Ko Barrett, WMO Deputy Secretary-General, speaking at the press conference launching the Greenhouse Gas Bulletin in Geneva. Environment WMO reports record greenhouse gas levels in 2025, with CO2 at 426.8 ppm Mono Scoops 2d The World Meteorological Organization said atmospheric concentrations of carbon dioxide, methane and nitrous oxide reached new record highs in 2025, with CO2 averaging 426.8 parts per million. Read Full Story
