WEF sees change in climate as global risk

Economic and political polarization will increase this year, according to a report published by the World Economic Forum, or WEF, on Wednesday.

And the report says severe climate disasters will pose the biggest threat to the world during the coming 10 years.

For the first time in the 15-year history of the WEF's Global Risk Report, the top five global risks in terms of likelihood of occurrence are dominated by the environment.