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The ozone layer: the road not taken

In evaluating the cost of phasing out chlorofluorocarbons, it pays to look not only at current damage to the ozone layer but also at what might have happened had our use of these chemicals continued unimpeded.

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Prather, M., Midgley, P., Rowland, F. et al. The ozone layer: the road not taken. Nature 381, 551–554 (1996).

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