Stephen DeCanio faculty at the UCSB in 1978. From 1986 to '87 he was the Senior Staff Economist at the President's Council of Economic Advisors. He was also a member of the United Nations Environment Programme Economic Options Panel, which reviewed the economic aspects of the Montreal Protocol on Substances that Deplete the Ozone Layer. In 1996 he was awarded the Stratospheric Ozone Protection Award by the United States Environmental Protection Agency and in 2007 he was presented with the Leontief Prize for advancing the frontiers in economic thought by the Global Development and Environment Institute. He participated in the Intergovernmental Panel
Ozone depletion to increase dramatically as a result of thinning ozone, as well as harming plants and animals. These concerns led to the adoption of the Montreal Protocol in 1987, which bans the production of CFCs, halons and other ozone-depleting chemicals. The ban came into effect in 1989. Ozone levels stabilized by the mid-1990s and began to recover in the 2000s. Recovery is projected to continue over the next century, and the ozone hole is expected to reach pre-1980 levels by around 2075. The Montreal Protocol is considered the most successful international environmental agreement to date. Three forms (or allotropes) of oxygen