With the ongoing controversy over global climate change, it’s interesting to look back at a big scientific controversy from the 80s and 90s, “CFCs and the ozone layer”:http://www.wunderground.com/education/ozone_skeptics.asp. The CFC industry fought change for 20 years, but it turned out to be a) a worse problem than even the “doomsayers” anticipated and b) less costly to fix than even the best estimates. A very complete overview of how science, business, and politics collide.

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