Each year, tropical cyclones threaten more than a billion people living in low-lying coastal cities. As storms grow more intense and cities expand, the stakes are rising. But a recent study led by Dr Haiyan Liu, a visiting researcher with WorldPop, shows that multi-hazard early warnings supported by more effective use of data can dramatically […] The post The Data Behind the Shield: How Early Warnings and Population Maps Save Lives appeared first on WorldPop .