Ozone-depleting CFCs detected in historical measurements—20 years earlier than previously known

PHYSorg
Feb 3, 2026, 1:56 pm233 ptsTop
An international research team led by the University of Bremen has detected chlorofluorocarbons (CFCs) in Earth's atmosphere for the first time in historical measurements from 1951—20 years earlier than previously known. This surprising glimpse into the past was made possible by analyzing historical…

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