Environmental policy of the United States from the sun. Chlorofluorocarbons (CFCs), which were used beginning in the 1930s in a number of important areas, were determined in 1974 to be responsible for much of the depletion of the ozone layer. Four years later, the EPA and FDA banned CFCs in aerosol cans. As research in the 1980s indicated that the problem was worse than before, and revealed a controversial massive hole in the ozone layer over Antarctica, three international agreements were made to reduce the ozone-damaging substances- the Vienna Convention, the 1987 Montreal Protocol, and a third agreement in 1990 in London. In the United States,
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