Natural control on ozone pollution


Nature Climate Change, Published online: 20 January 2020; doi:10.1038/s41558-019-0686-3

For years, halogens have been known as destroyers of ‘good’ ozone, which acts as an upper-atmosphere shield from harmful ultraviolet radiation. Research now shows that natural halogen compounds emitted from the ocean help to control ‘bad’ ozone pollution at ground level and may continue to do so at a similar rate in future climate.