And there is pretty much no better example than the Sacramento-San Joaquin Delta, which over the last 150 years has undergone epic transformation and been the epicenter of equally epic political battles.

Scroll through the timeline to get a sense of the modern evolution (or de-evolution,  depending on how you look at it) of California’s largest water source.

(It may be easier to view in fullscreen mode: to do so, click on button at the bottom right-hand corner of the timeline)