From World Economic Forum
Taking a 10-year outlook, the report assesses 31 risks that are global in nature and have the potential to cause significant negative impact across entire countries and industries if they take place. The risks are grouped under five categories - economic, environmental, geopolitical, societal and technological - and measured in terms of their likelihood and potential impact.
You can download the report at http://reports.weforum.org/global-risks-2014