Eric Walker updated the time prefix for Depletion of the ozone layer to be "1976"

Eric Walker updated the time prefix for Depletion of the ozone layer to be "1975"

Eric Walker updated the time prefix for Depletion of the ozone layer to be "2023"

Eric Walker removed Ozone layer from What is the current state of the ozone layer?

Eric Walker added Depletion of the ozone layer to Ozone layer

Eric Walker changed the title of Failed to fetch title to "What is the current state of the ozone layer?"

Eric Walker added Failed to fetch title to Ozone layer

Eric Walker added Ozone layer - Wikipedia to Ozone layer

Eric Walker added Ozone layer to Ozone