When Dams Come Down, Salmon and Sand Can Prosper

Studies of dam-removal projects show that migratory species like salmon respond quickly to improved conditions once a dam is removed. But the removal of a dam is demonstrating that there can be another beneficiary: the beach.

Giant Sinkhole Swallows Up Australian Shoreline

A gigantic sinkhole, about 100 meters by 100 meters, erodes part of a camp site on a beach in Australia, plunging tents and cars into the water. Officials urged people to stay away because the sinkhole could expand as ocean currents impacted on the existing sinkhole.