That's a very good question.
In fact, we've reflected on that quite a lot recently, because we've just been putting together a 20-year history of the office and have commissioned some writing on that. Given that it's my last two weeks in this role, I've been reflecting on that sort of thing.
In fact, there's nothing we've found wanting in the act. There is nothing that I or my predecessor, Helen Hughes, has found that they couldn't do within the scope of the Environment Act 1986—which is extraordinary, but that's the case.