At no point is Rae admonishing, despite the fact that the environmental crisis we are living in might demand it. Instead, she provides the reader with the base information of how water bodies work and then speaks to the ways in which humans have manipulated these ecosystems—through dams, systems of irrigation, among others—and the negative effects this has had not only the environment, but also on particular groups of people. … More Upstream, Downstream: Exploring Watershed Connections by Rowena Rae