Title: Environment : adoption of adjustments and amendment to the Montreal Protocol on substances that deplete the ozone layer concluded at Montreal on 16 September 1987, Montreal, September 17, 1997, ratification by Canada March 27, 1998, in force November 10, 1999, in force for Canada November 10, 1999 =
Subjects: Atmospheric ozone, Coopération internationale, Couche d'ozone, Droit, International cooperation, Law and legislation, Ozone atmosphérique, Ozone layer depletion, Reduction, Réduction