Lostine, the new short film from Shane Anderson and the nonprofit Pacific Rivers, highlights the powerful story of collaboration between the Nez Perce Tribe and Woody Wolfe, a sixth-generation rancher in Wallowa, Oregon.
Every year American Rivers ranks the country's 10 most endangered rivers to highlight where imminent threats to human health, safety and survival could be resolved through decisive political, business and community measures.
Lack of a current, national rainfall database means some states are using outdated data - some as much as 60 years old - as they design new roads, bridges and dams. That's a dangerous problem as the climate changes.
While earthquakes still loom as the greatest threat to California's massive collection of dams, experts warn that these aging structures will be challenged further by a new and emerging hazard: "whiplashing shifts" in extreme weather due to climate change.
More pollution has been sweeping past the Conowingo Dam since its reservoir filled with sediment a decade ago, allowing millions of pounds of nutrient pollution to wash downstream to the Chesapeake Bay and creating a costly cleanup problem.
Here are the responses we've gotten so far from politicians about our study that found Pennsylvania families living near fracking wells are being exposed to high levels of harmful industrial chemicals.