The depletion of the ozone layer and the consequent increase in UV radiation at the surface of Earth has been an issue for over forty years. Over that period, there has been enormous progress in our understanding of the science behind ozone layer depletion and its recovery, the effects of ozone layer changes on surface UV radiation, and the consequences of changes in UV radiation on humans and the environment. 

Assessment Report of the Halons Technical Options Committee

Assessment report of the Rigid and Flexible Foams Technical Options Committee.

Section 4.1 of the Supplementary Report includes analysis of three options for equalizing consumption sector funding associated with the 2020 target.

In paragraph 9 of its decision XIX/6, the Meeting of the Parties to the Montreal Protocol encouraged parties to promote the selection of alternatives to hydrochlorofluorocarbons (HCFCs) that minimize environmental impacts, in particular impacts on climate, as well as meeting other health, safety and economic considerations.