Referring back to our amendment and having listened to the Minister, I seek some clarity. We have no disagreement about the need for safety on industrial and commercial premises and in transport and so on, or about the fact that such places operate 24 hours a day. He referred to the opportunity to take a private action, but with a large installation such as an airport or a ferry terminal, the nuisance may be the totality of the light from sites such as Poole ferry terminal, which has been mentioned.
The cause of the problem can be lights on tall columns, which should be directed more to the area that they are supposed to illuminate but in fact cast light unnecessarily far and wide. Of course one wants safety—that is not disputed—but some areas in a airport, such as sheds, do not need large amounts of light. I have already mentioned car parks. We have some voluntary agreements, but I am still concerned about how we mitigate the unnecessary light coming from those installations. Although I am minded not to press the amendment, I would do so only following some reassurance from the Minister that everything possible is being done to minimise the pollution from those large installations.