'Ozone depleting chemicals' diaporamas de présentation

Human Geography

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Protection of the Ozone Layer - Montreal Protocol: Themes for 1998

Protection of the Ozone Layer - Montreal Protocol: Themes for 1998. A Presentation Kit UNEP Ozone Secretariat. The Montreal Protocol is Working. Scientific assessment shows that the abundance of ozone-depleting chemicals in the lower atmosphere is declining.

494 views • 24 slides

Convention of Ozone Depletion and the Montreal Protocol

Convention of Ozone Depletion and the Montreal Protocol. Draft Year: 1987 Amendment Years: 1990, 1992, 1995 International. Stephanie Curtis Period 6. Description/Environmental Issues Affected. Signed by just 24 nations in 1987, subsequently ratified by 191 governments

254 views • 3 slides