The World Economic Forum's Global Risks Report 2016 features perspectives from nearly 750 experts on the perceived impact and likelihood of 29 prevalent global risks over a 10-year timeframe. The risks are divided into five categories: economic, environmental, geopolitical, societal and technological. Alec Hogg is in London and he caught up with the content lead on risks at WEF, Caroline Galvan. There was a specific focus on South Africa, with the top three risks - unemployment and underemployment, social instability and critical infrastructure failure.