On September 15, 1987 the United Nations members adopted the Montreal Protocol on Substances that Deplete the Ozone Layer, referred to as a “landmark multilateral environmental agreement” which regulates the production and consumption of nearly 100 man-made chemicals referred to as ozone depleting substances (ODS).
“The Montreal Protocol …emerged as a model for future efforts, based as it was on strong science, globally agreed-upon standards, and aggressive action by relevant industries…Relying on the formal international system alone to defend the environment risks a tragedy of the global commons: collective inaction because no country has much of an incentive to favor conservation except when national interests coincide.” writes political scientist and head of Wildlife Conservation Society (WCS) in 2002 – the drivers of “One Health“. [2]
On November 9, 1987, 24 days later, NASA’s director Dr. James E. Hansen testifies as a “private citizen” to the Senate Committee on Energy and Natural Resource, responding to a Nov 2, 1987 letter requesting he provide his “views on the likely pace and regional implications of the greenhouse effect and global climate change…” [1]