- U.S. and beyond increasingly looking to reusing sewage water for drinking
- Half the world population will face water scarcity by 2030
- Reused water is completely healthy, but psychological barriers remain
- Singapore produces large amounts of high-quality recycled water
(CNN)A third successive year of California's worst drought in a century has the Golden State's reservoirs at record lows. Agriculture has been affected, hitting the local economy, while some small communities risk running out of water.