Storms now pounding Southern California are raising the specter of more danger for residents—debris flows in areas already ...

Areas scarred by the Eaton Fire are at “high to very high risk” of debris flows this week. How do they happen? What is being ...

When hills are healthy, vegetation anchors soil in place. But when that vegetation is burned off, hillsides become vulnerable ...

No one was hurt, but the residents of Kīhei Kai were left with a badly damaged building and a costly cleanup. Flooding is an ...

The beavers have built at least four dams and they could not have chosen their location better. They built them on a bypass ...

During cleanup and recovery from the Los Angeles-area wildfires, city officials and emergency managers are also worried about ...

A project in the marsh near Stone Harbor looks at how to counter sea level rise using dredged material to save the wetlands.

The sediment flows into Big Chico Creek from upstream of the Five Mile Dam, creating a situation where neither the city nor ...

After a wildfire, the danger continues, especially during torrential rain that can set off fast-moving landslides known as ...