Environmentalists in Scotland sounded the warning once more about the nuclear industry's incompetence when it was found that the Hunterston B reactor had leaked so-called low-level radioactive waste into the Firth of Clyde. Lang Banks, a spokesperson for the World Wildlife Fund said: ". . .the history of nuclear power plants is littered with final warnings . . . Nuclear power is a dirty, dangerous and expensive energy source. The sooner Scotland is nuclear-free the better.’’