Ecosystems

Simple hand-built structures can help streams survive wildfires and drought

Low-tech restoration gains popularity as an effective fix for ailing waterways in the American West

a stream with mountains in the background

Streams like this one in the U.S. West are getting a boost from well- placed stones and beaver dams.

JohnnyGreig/E+/ Getty Images

By Brianna Randall

- More than 2 years ago

Wearing waders and work gloves, three dozen employees from the U.S.