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The world's biggest risks
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6 big emerging global threats to watch

Syrian refugees and other migrants are stopped by Macedonian police at the Greek-Macedonian border, near the village of Idomeni, Aug. 22, 2015.

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Worries on the world stage

A lot can change in nine months.

In January, when the World Economic Forum released its list of the biggest threats to world stability, the group seemed to cover a pretty wide spectrum. But the ensuing months have seen several new crises emerge.

Some are offshoots of broad categories the WEF warned about. Some are things they didn't imagine. But each have become significant enough to warrant concern. No wonder some are major topics being widely discussed at the United Nations—and even by Pope Francis. Today, at the annual Clinton Global Initiative in New York City, CEOs and other leading thinkers will also ponder on the dire consequences of these risks.

—By Chris Morris, special to CNBC.com
Posted 26 September 2015

Yannis Behrakis | Reuters