Scarcity and resource use - finding answers to the world's drinking water crisis

This article features basic economics: scarcity and resource use. Factor in a little bit of technology and what's not to like.

Water is perhaps the most important resource on the planet and despite its apparent abundance, large parts of the world face water shortages, which climate change might worsen.

2 billion people around the world are without access to safe drinking water.

Scientists are racing to come up with technologies that can solve the world's clean water shortage.