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,
1987–88 Montreal Canadiens season four years in a row, sweeping the Bruins in three of the past four seasons, and beating them 3–2 in a best-of-five the other year. This time, the Bruins' defence would wear down Montreal, as Ken Linseman, Ray Bourque and Cam Neely provided the offence to finally conquer the Canadiens. It was the first Bruins' playoff series win over the Habs in 44 seasons. "Boston wins best-of-seven series 4–1" Montreal's draft picks at the 1987 NHL Entry Draft held at the Joe Louis Arena in Detroit, Michigan. 1987–88 Montreal Canadiens season The 1987–88 Montreal Canadiens season was the team's 79th