This was a dispute between the West London Waste Authority and the Mayor of London relating to the Mayor's powers to issue directions under the Greater London Authority Act 1999 s.356 as well as detailed consideration of waste policy including “Rethinking Rubbish in London: The Mayor’s Municipal Waste Management Strategy." See the media coverage at: http://news.bbc.co.uk/1/hi/england/london/6526297.stm