“If you can't measure it, you can't manage it”: this simple but essentially true statement applies to water, as it does to most other goods and services. One of the biggest challenges in water management is the lack of attention to systems that regularly collect and monitor water data.

In this edition of Colin's STRAIGHTtalk, Dr Colin Chartres, Director General of the International Water Management Institute (IWMI), talks about the importance of monitoring and sharing water data to improve the way we water resources are planned and managed.

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