California is in its fourth year of record-breaking drought. Yet, the Golden State is far from alone in its water woes. Forty of 50 U.S. states will face shortages within the next decade. A fifth of the world’s population already experiences scarcity. Yet, some say solutions do exist to blunt the worst effects of this growing problem. They point to Israel. The desert country struggled with supply since its creation, leading to extreme conservation and controversy with neighbors. A drought last decade pushed Israel to seek more comprehensive water solutions. For this month’s Environmental Outlook: lessons from Israel’s experience moving from water scarcity to abundance.