Nassim Taleb’s 2007 book, The Black Swan, has been a sensation and has spawned much controversy and discussion.
For some lively discussion of his book try: ERMBooks
On April 7 2009, the Financial Times published an article written by Nassim Taleb called Ten Principles for a Black Swan Free World. Riskviews has provided discussion of each of the 10 suggestions:
In the risk management world, Black Swans are also referred to as Emerging Risks. A random collection of materials about a variety of Emerging risks can be found at http://groups.google.com/group/inarm-emerging-risks/web?hl=en
Each of these Emerging Risks sites contains links to numerous other resources.