The success and failure of the Montreal Protocol

Published on July 29, 2026 8:10 AM GMTThe Montreal Protocol is the poster child of environmental agreements. It is seen as a stunning success, as it reduced the substances in the atmosphere it was meant to manage by almost 100 %. Without it the ozone layer would be massively depleted by now and we would have seen a significant rise in skin cancer and eye damage globally. Also, many of the substances involved also contribute to climate change and it is estimated that the Montreal Protocol signifi...