UNO reports record high CO₂ concentration in the atmosphere
According to the annual greenhouse gas bulletin by the World Meteorological Organization directed to the UNO, the global average of 410 ppm carbon dioxide (CO 2 ) in the atmosphere has been reached for the first time in 2019 since the beginning of industrialisation in 1750.
WMO Secretary-General Petteri Taala stated that "The last time the Earth experienced similar CO 2 concentrations was three to five million years ago".