For the study, a Yale-led research team analyzed multiple lines of independent geological evidence and developed an ocean-atmosphere model to ... a whole atmosphere ozone depletion by tens or ...

Backed by this strategy the researchers continued with their simulations using a state-of-the-art chemistry climate model ...

Chemicals called chlorofluorocarbons, which are made up of chlorine, fluorine and carbon atoms, are the biggest culprit in ozone depletion. More commonly known as CFCs, they can be found in ...