Muna 1974 Frank Sherwood Rowland, Purofesa weChemistry paUniversity yeCalifornia kuIrvine, nemumwe wake Mario J. Molina vakaratidza kuti makemikari ane hupenyu hwakareba, akadai seCFCs, anogona kuzvibata nenzira yakafanana neCrutzen yaifungidzira nitrous oxide. James Lovelock akanga achangobva kuwana, panguva yekufamba nechikepe muSouth Atlantic muna 1971, kuti anenge ose eCFC makemikari akagadzirwa kubva pakugadzirwa kwavo muna 1930 akanga achiripo mumhepo. Molina naRowland vakagumisa kuti, kufanana neN2O, maCFCs madiki aizosvika mu stratosphere kwavaizoparadzaniswa neUV mwenje, kusunungura chlorine atomu. Gore rakapfuura, Richard Stolar naRalph Cicerone paUniversity yeMichigan vakanga varatidza kuti NO inonyanya kushanda pane kuparadza ozone.
Yunivhesiti yeCalifornia paIrvine