1. The document discusses how California's climate leaves its water supply volatile and unpredictable, creating difficulties for all who depend on the scarce resource.
2. During drought times, higher temperatures create further problems for the future while the authors provide an overview of drought impacts and challenges for water management.
3. Water management oversees many concerns like properly planning supply and delivery while balancing the needs of farms, cities, and the environment. Rising sea levels also threaten the Delta, which is key to California's water system.