Nothing is safe. Therefore, the scale of what is happening at Sellafield is sufficient to justify our campaign. In addition, nobody can say with certainty that exposure to even slightly increased levels of background low level radiation is harmless. It is only 60 years since the first nuclear fission was procured. This is an insufficient time period in which to gather enough information to be certain about the consequences. The wise precaution in such circumstances is to take the classical approach that the risks could be huge. Therefore, the precautions must be proportional to the potential risks. In this instance, the potential risk could be huge. Therefore, the wise approach is to close down the plant.