Following the Fukushima Daiichi nuclear reactor crisis in Japan, the U.S. nuclear industry is more closely scrutinizing existing facilities, and long-standing problems are placing some plants under the microscope . Courtesy of Progress Energy Crystal River plant has cracks in walls. Courtesy of NextEra Energy Engineers note alkali silica reaction at Seabrook. “U.S. nuclear facilities are under constant inspection regimens, but since the earthquake we are going at it even stronger,” says Mitch Singer, spokesman for the Nuclear Energy Institute, a Washington, D.C.-based industry organization.In one example, Progress Energy's Crystal River plant in Florida—offline since September 2009 for a refueling
The 2016 Summer Olympics boating and swimming events have put an international spotlight on what has been a long-running problem in Rio de Janeiro—untreated sewage and trash are clogging up major bays and waterways.