Fast growing HFC levels could undermine climate benefits of the Montreal Protocol

The Scientific Assessment of Ozone Depletion 2014, published by the World Meteorological Organisation (WMO) and the United Nations Environment Programme (UNEP), has found that the ozone layer is expected to recover to 1980 benchmark levels, the time before significant ozone layer depletion, before the middle of the century in mid-latitudes and the Arctic, and somewhat later in the Antarctic.