While the Colorado River had been diverted into a series of canals, its erratic flow and frequent floods made it unreliable for agriculture.

虽然科罗拉多河已被改道为一系列的运河，但其不稳定的流量和频繁的洪水使其无法成为农业可仰赖的水源。

And there's no time to waste, because rising sea levels and more frequent floods are two of the most serious impacts of climate change.

而且没有时间可以浪费了，因为海平面上升和更频繁的洪水是气候变化的两个最严重的影响。