What worries Ippolito more than the business impact is the threat to future generations.

比商业影响更让Ippolito担心的是对子孙后代的威胁。

The river has shrunk so much that it's nearly impossible for Colorado River guides like Davide Ippolito to pull boats out of the water.

这条河已经缩小了很多，以至于像Davide Ippolito这样的科罗拉多河导游几乎不可能把船拉出水面。