The overview report states that the «stratospheric ozone layer over the Arctic is not expected to improve significantly for at least a few decades». (realclimate.org)
Experts say the study provides the strongest evidence yet that a degraded stratospheric ozone layer causes more hazardous conditions for life on the planet's surface. (sciencemag.org)
Observations of ozone show a thinning of the Earth's protective stratospheric ozone layer by about 3 to 8 % overall since the 1970s. (giss.nasa.gov)