The triatomic form of oxygen, and a gaseous atmospheric constituent. In the troposphere, 03 is created both naturally and by photochemical reactions involving gases resulting from human activities . Tropospheric 03 acts as a greenhouse gas . In the stratosphere, O3 is created by the interaction between solar ultraviolet radiation and molecular oxygen . Stratospheric 03 plays a dominant role in the stratospheric radiative balance. Its concentration is highest in the ozone layer.
IPCC
Climate Change 2022: Impacts, Adaptation and Vulnerability
IPCC Report