American River cleanup continues with removal of large metal debris from old bridge collapse

Work crews are making progress on cleaning up debris​ from a decades-old bridge collapse in Northern California.

Dam disasters of the 1920s made reservoirs safer—now the climate crisis is increasing risk again

One hundred years ago, a catastrophic flood carrying enormous boulders swept through part of Dolgarrog village, north Wales, destroying several homes, a bridge and the local chapel. Ten adults and six ...