>> From:
>> http://www.thisislocallondon.co.uk/display.var.2342685.0.lost_rivers_and_island_...
>>
>> "...And people living under Heathrow's flight path might be keen on an
>> audacious plan to move the airport to an offshore island in the Thames
>> Estuary.
>>
>> The proposed project would cost £30billion according to the Thames
>> Estuary Airport Company (Teac), who believe the project could be
>> solely funded by the private sector.
>>
>> The site would be about three miles northeast of Minster on the Isle
>> of Sheppey.
>>
>> While the idea has not been formally supported by the Mayor, it is
>> understood he is keen in exploring the possibility.

>
> Since the Thames Estuary is not part of London, is it the mayor's
> business to explore the possibility?