Boris Island must never be able to get off the ground
Any new major airport near the Thames Estuary is impractical because of politics and birds
At first the idea of a new airport on, or even in, the Thames Estuary seemed to be just one of the Mayor of London's less amusing flights of fancy, but now the arrival of a proposal by the architect Norman Foster has given it some respectability. The idea of replacing Heathrow and moving east is not new. Forty years ago, Maplin Sands, off Essex, was held up as a possible site, but interest soon dwindled and the present proposals seem just as likely to fade when confronted by the real situation: that a new airport is both impractical and unnecessary.