[BIZ STREAM SPECIAL EDITION] This series of special editions feature selected stories from BIZ STREAM's signature "On-Site" reports. "Clean Water and Sanitation" is one of the 17 sustainable development goals set forth by the United Nations. This episode features 2 Japanese companies that have made it their mission to find ways to conserve on water usage. One company has created a recycling system that makes up to 98% of household water reusable, and the other has developed an automated cultivation system that uses solar heat to grow crops with small amounts of water.