Fish stocks are plummeting and within our lifetime, the oceans could be empty. Explore the effect of the world's insatiable appetite for seafood is having on the ocean's marine life.

Nelufar meets the people at the center of a global war over water, including Hollywood A-lister James Cromwell. A Californian town accuses big business of stealing its water supply, while farming families in Peru clash with a large agro-exporter.