Stephen O. Andersen super-efficient room ACs at an affordable price around the world, and of the team demonstrating secondary-loop motor vehicle air conditioning. Stephen O. Andersen Stephen Oliver Andersen (born 17 January 1948) is the American Director of Research at the Institute for Governance and Sustainable Development (IGSD) and is also Senior Expert Member of the Montreal Protocol Technology and Economic Assessment Panel (TEAP) and former TEAP Co-Chair (1989 - 2012). He is considered one of the founders and leading figures in the success of the Montreal Protocol on Substances that Deplete the Stratospheric Ozone Layer. Andersen was born in Logan, Utah, United
Montreal Protocol Antarctic Survey scientists Joe Farman, Brian Gardiner and Jonathan Shanklin published results of abnormally low ozone concentrations above Halley Bay near the South Pole. They speculated that this was connected to increased levels of CFCs in the atmosphere. It took several other attempts to establish the Antarctic losses as real and significant, especially after NASA had retrieved matching data from its satellite recordings. The impact of these studies, the metaphor 'ozone hole', and the colourful visual representation in a time lapse animation proved shocking enough for negotiators in Montreal, Canada to take the issue seriously. Also in 1985, 20 nations,