Worldwide, 100 million families are stuck in a cycle of poverty and disease because of the lack of access to clean water. What would it take to slake humanity's thirst for water in a sustainable way?
Moving away from narratives that spell fear of climate-related catastrophes, "Tomorrow" tells stories of how ordinary people -- from Icelandic volcanoes to Indian slums -- employ innovative ways to fight the effects of climate change.
In parched lands, families grow food in gardens using drip irrigation, hydroponics and soil moisture sensors to cut down on over-irrigation and save water.