Montreal Protocol Montreal Protocol The Montreal Protocol on Substances that Deplete the Ozone Layer (a protocol to the Vienna Convention for the Protection of the Ozone Layer) is an international treaty designed to protect the ozone layer by phasing out the production of numerous substances that are responsible for ozone depletion. It was agreed on 26 August 1987, and entered into force on 26 August 1989, followed by a first meeting in Helsinki, May 1989. Since then, it has undergone eight revisions, in 1990 (London), 1991 (Nairobi), 1992 (Copenhagen), 1993 (Bangkok), 1995 (Vienna), 1997 (Montreal), 1998 (Australia), 1999 (Beijing) and 2016 (Kigali,
1987 Montreal Alouettes season crowds in its final year. Consequently, the Winnipeg Blue Bombers moved to the East Division to balance out the divisions and played the Argonauts that day instead. The team never played a single game at Olympic Stadium in 1987; both of their preseason games prior to their folding were played on the road (their first preseason game was moved from Olympic Stadium to Canada Games Stadium in Saint John, New Brunswick). 1987 Montreal Alouettes season The 1987 Montreal Alouettes played two preseason games before folding on June 24, 1987, just one day before their scheduled Thursday game against the Toronto