International Institute for Sustainable Development on workshops and international fora that seek to contribute to intergovernmental policy making, and manages a suite of knowledgebases that report on activities that seek to contribute to or implement decisions taken at the intergovernmental policy making level. Intergovernmental processes covered by Earth Negotiations Bulletin include: the Commission on Sustainable Development (CSD); the United Nations Framework Convention on Climate Change (UNFCCC); the Convention on Biological Diversity (CBD); the United Nations Convention to Combat Desertification (UNCCD); the United Nations Forum on Forests; the chemicals conventions (Stockholm, Basel and Rotterdam); the Montreal Protocol on Substances that Deplete the Ozone Layer; the Convention
Ozone depletion framework for negotiating international regulations on ozone-depleting substances. That same year, the discovery of the Antarctic ozone hole was announced, causing a revival in public attention to the issue. In 1987, representatives from 43 nations signed the Montreal Protocol. Meanwhile, the halocarbon industry shifted its position and started supporting a protocol to limit CFC production. However, this shift was uneven with DuPont acting more quickly than its European counterparts. DuPont may have feared court action related to increased skin cancer, especially as the EPA had published a study in 1986 claiming that an additional 40 million cases and 800,000 cancer