This assessment by the Environmental Effects Assessment Panel (EEAP) of the United
Nations Environment Programme (UNEP) provides the latest scientific update since our …

Observational evidence shows the ubiquitous presence of ocean-emitted short-lived
halogens in the global atmosphere,–. Natural emissions of these chemical compounds have …

In contrast to the general stratospheric ozone recovery following international agreements,
recent observations show an ongoing net ozone depletion in the tropical lower stratosphere …

The catalytic depletion of Antarctic stratospheric ozone is linked to anthropogenic emissions
of chlorine and bromine. Despite its larger ozone-depleting efficiency, the contribution of …

There is evidence that the ozone layer has begun to recover owing to the ban on the
production of halogenated ozone-depleting substances (hODS) accomplished by the …

This paper introduces a new version of the chemistry-climate model SOCOL-AERv2,
supplemented by an iodine chemistry module. We conducted three twenty-year-long …

We report on measurements of total bromine (Br tot) in the upper troposphere and lower
stratosphere taken during 15 flights with the German High Altitude and LOng range research …

Mercury, a global contaminant, enters the stratosphere through convective uplift, but its
chemical cycling in the stratosphere is unknown. We report the first model of stratospheric …

Depletion of the stratospheric ozone layer remains an ongoing environmental issue, with
increasing stratospheric chlorine from very short-lived substances (VSLS) recently emerging …

This chapter presents our current understanding of global ozone outside of the polar
regions. The increase of ozone-depleting substance (ODS) concentrations caused the large …