……（我并不确定这是否是人为造成的，我的印象是这是自然干旱周期在全球气候变化下被放大了，但这并不是重点。）去了解一下《科罗拉多河协定》（Colorado River Compact）吧。大卫·欧文斯（David Owens）的《水流何方》（Where the Water Goes）是一本非常通俗易懂的入门书。tl;dr 是，当初水资源是在一个异常湿润的时期被划分给西部各州（包括亚利桑那州）的，而我们现在正处于干旱期。……
…(It's not clear to me this is anthropogenic, my impression is that it's a natural cycle of drought exacerbated by global climate change, but it's beside the point.) Read up on the Colorado River Compact. Where the Water Goes by David Owens is a very accessible primer. The tl;dr is that the water was portioned out to the Western states (including Arizona) during an unusually wet period, and we're now in a period of drought.…
……（我并不确定这是否是人为造成的，我的印象是这是自然干旱周期在全球气候变化下被放大了，但这并不是重点。）去了解一下《科罗拉多河协定》（Colorado River Compact）吧。大卫·欧文斯（David Owens）的《水流何方》（Where the Water Goes）是一本非常通俗易懂的入门书。tl;dr 是，当初水资源是在一个异常湿润的时期被划分给西部各州（包括亚利桑那州）的，而我们现在正处于干旱期。……
…(It's not clear to me this is anthropogenic, my impression is that it's a natural cycle of drought exacerbated by global climate change, but it's beside the point.) Read up on the Colorado River Compact. Where the Water Goes by David Owens is a very accessible primer. The tl;dr is that the water was portioned out to the Western states (including Arizona) during an unusually wet period, and we're now in a period of drought.…
把大卫·欧文（David Owen）的《水流何方》也加到那个书单里。
Add to that list "Where the Water Goes" by David Owen.