Guest essay by Iain Aitken
An availability cascade is a self-reinforcing process of collective belief formation by which an expressed perception triggers a chain reaction that gives the perception of increasing plausibility through its rising availability in public discourse.
- Availability Cascades and Risk Regulation-Timur Kuran, Duke University – Department of Economics, Cass R. Sunstein, Harvard Law School; Harvard University – Harvard Kennedy School
Perhaps the most extraordinary aspect of the whole ‘climate change debate’ is the way that the (non-sceptical) public consciousness has been captured by two very simple, easy-to-understand and certain ‘scientific facts’:
- Climate change has (with absolute certainty, because the science is settled) occurred because of man-made carbon dioxide emissions (and it has occurred only because of man-made carbon dioxide emissions – nature had nothing to do with it)
- Climate change catastrophe will (with absolute certainty, because the science is settled) result if we do not drastically reduce our carbon dioxide…
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