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Four New Man-Made Gases Found That Harm Ozone Layer, Scientists Say

By Nick Visser

By Alister Doyle, Environment Correspondent
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 experts were trying to pinpoint industrial sources of tiny traces of the new gases, perhaps used in making pesticides or refrigerants, that …read more

Source: Huffington Post Green