Four New Man-Made Gases Found That Harm Ozone Layer, Scientists Say
Green (Living) Review
JULY 19, 2014
OSLO, March 9 (Reuters) - Scientists have detected four new man-made gases that damage the Earth''s protective ozone layer, despite bans on almost all production of similar gases under a 1987 treaty, a study showed on Sunday. The ozone layer shields the planet from damaging ultra-violet rays, which can cause skin cancer and eye cataracts, and has been recovering after a phase-out of damaging chemicals under the U.N.''s s 1987 Montreal Protocol.