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Gaza is a microcosm of a world without access to water. As the planet heats up, droughts may have become more commonplace, but that doesn't mean that water is disappearing.

Storm chasers and photographers track the global changes in giant storms and floods across America. Nasa’s Grace satellites reveal a new map showing global overuse of aquifers. In some places, underground water is being ‘mined’ – finite reserves, which are being used up for profit.

But there are solutions too. New York City uses nature and the Catskill mountains instead of an industrial plant for water treatment, demonstrating a collective appreciation for the importance of water.