Submission + - Ozone hole growth finally negative (www.empa.ch)
i kan reed writes: While the production and release of CFCs have been reduced for a couple decades now, the ozone hole had continued to grow through the 80s and 90s, and in the 2000s and 2010s it has been stable in size, with trends towards shrinking just beginning to show.
Some concerns do remain, as not all CFCs have shown reductions in atmospheric concentrations.
Some concerns do remain, as not all CFCs have shown reductions in atmospheric concentrations.
