Campus carbon neutrality one country has not used up all of its allotted emissions, it can sell them to other countries that have gone over their limit. The Montreal Protocol on Substances that Deplete the Ozone Layer is an international agreement that seeks to phase out chemicals that damage the ozone layer. The Montreal protocol was signed in 1987, went into practice in 1989, and was further amended in London in 1990 and in Copenhagen in 1992. The protocol set a quicker timetable for industrialized nations to phase out chemicals than it did for developing nations. For example, developed countries were to phase-out
Montreal Protocol Parties every year to assess and evaluate various technical issues including evaluating nominations for essential use exemptions for CFCs and halons, and nominations for critical use exemptions for methyl bromide. TEAP’s annual reports are a basis for the Parties’ informed decision-making. Numerous reports have been published by various inter-governmental, governmental and non-governmental organizations to catalogue and assess alternatives to the ozone depleting substances, since the substances have been used in various technical sectors, like in refrigeration, air conditioning, flexible and rigid foam, fire protection, aerospace, electronics, agriculture, and laboratory measurements Under the Montreal Protocol on Substances that Deplete the Ozone