Linked from
The 35 pages that link to Ozone layer, each with the reason it gives.
Nitrous oxideRelated: Nitrous oxide is now a major human-caused ozone-depleting emission.
Montreal ProtocolRelated: Protecting this atmospheric region is the treaty’s central purpose.
UltravioletRelated: Its absorption limits the ultraviolet reaching Earth’s surface.
Ultraviolet indexRelated: Stratospheric ozone strongly affects how much UV reaches the surface.