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
The Full Monteverdi The Full Monteverdi The Full Monteverdi is a 2007 British film written and directed by John La Bouchardière and based on his live production of the same name, itself based on Claudio Monteverdi's fourth book of madrigals (1603) which, in turn, is a collection of settings of poems by such Italian renaissance poets as Giovanni Battista Guarini, Ottavio Rinuccini and Torquato Tasso. The film features the British vocal ensemble I Fagiolini and the original cast of actors from the live production. The title is a play on the name of the 1997 film The Full Monty. The plot concerns six