Montreal Protocol (1973) and the international agreement signed (1985 & 1987). The treaty is structured around several groups of halogenated hydrocarbons that deplete stratospheric ozone. All of the ozone depleting substances controlled by the Montreal Protocol contain either chlorine or bromine (substances containing only fluorine do not harm the ozone layer). Some ozone-depleting substances (ODSs) are not yet controlled by the Montreal Protocol, including nitrous oxide (N2O) For a table of ozone-depleting substances controlled by the Montreal Protocol see: For each group of ODSs, the treaty provides a timetable on which the production of those substances must be shot out and eventually
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