Technological and industrial history of 20th-century Canada the Keele Valley Landfill was operated by the City of Toronto from 1983 until 2002, when it was closed because it was full. Chlorofluorocarbons (CFCs), the gas propellants used in aerosol spray cans, became a target for environmental concern in the 1970s and 1980s when research demonstrated that they had a harmful effect on the ozone layer in the atmosphere. The international Montreal Protocol of 1989 banned the use of these substances and they were subsequently replaced with volatile hydrocarbons. The problem with choice to reuse is still not available. There are many products that don't need to be recycled
1987–88 Montreal Canadiens season 1987–88 Montreal Canadiens season The 1987–88 Montreal Canadiens season was the team's 79th season. The club qualified for the playoffs, defeated the Hartford Whalers in the first round, but were eliminated in the Adams Division finals versus the Boston Bruins four games to one. "for more information visit" 1988 NHL Entry Draft Defensively, the Canadiens were the best team in the league, finishing the regular season with just 238 goals against. They also allowed the fewest power-play goals, with just 64 Hartford Whalers vs. Montreal Canadiens The Habs almost squandered a 3–0 series lead. The deep Habs roster was the