Law-ref.org The 1985 Vienna Convention for the Protection of the Ozone Layer
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ARTICLE-1: Definitions     [go to this ARTICLE]
... "Adverse effects" means changes in the physical environment or biota, including changes in climate, which have significant deleterious effects on human health or on the composition, resilience and productivity of natural and managed ecosystems, or on materials useful to mankind. ...


ARTICLE-3: Research and systematic observations     [go to this ARTICLE]
... (d) Effects deriving from any modifications of the ozone layer and any consequent change in UV-B radiation on natural and synthetic materials useful to mankind; ...


ARTICLE-Annex_I: Research and systematic observations     [go to this ARTICLE]
... (a) Modification of the ozone layer which would result in a change in the amount of solar ultra-violet radiation having biological effects (UV-B) that reaches the Earth's surface and the potential consequences for human health, for organisms, ecosystems and materials useful to mankind; ...