Episode notes
为什么说加州有干旱？加州的水资源分布情况怎么样？水都用到哪里去了？
资料
A History of Drought in California
How Has Human-Induced Climate Change Affected California Drought Risk
https://journals.ametsoc.org/view/journals/clim/29/1/jcli-d-15-0260.1.xml
New Water Year Begins Amid Preparations for Continued Drought
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