Ko Barrett

New Capabilities

Serving as deputy head of the World Meteorological Organization

The World Meteorological Organization's annual greenhouse gas bulletin reported record global concentrations of carbon dioxide, methane and nitrous oxide for 2025. CO2 averaged 426.8 parts per million, 153% of the pre-industrial level and up from 377.5 ppm when the bulletin began in 2004.

Updated 6 days ago