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THE WASHINGTON POST – Almost half a century ago, scientists began to theorise that a certain class of chemicals – which were found in virtually every air conditioner, aerosol can and refrigerator around the world – had a particularly dangerous side effect. These compounds, known as chlorofluorocarbons (CFCs), could float up into the stratosphere and […]

Sebastian easthamJonathan buonocore at boston universityMontreal protocolJonathan buonocoreBoston universityMassachusetts instituteWashington post 8211 almost half century agoCientists began theorise that certain class chemicals 8211 which found virtually every air conditionerErosol can refrigerator around world 8211 had particularly dangerous side effect these compoundsNown as chlorofluorocarbons cfcsOuld float up into stratosphere hellip