Canvey Island risks to London and the Thames estuary area. It is proposed that the western side of Canvey is developed as a site which is either temporarily flooded at times of risk, or transformed into a permanent wetland. Developments in the 20th century have produced a marked contrast between the environments in the east and west of the island. The eastern half of the island is allocated to residential areas, the main public amenities and a small holiday camp and seafront, while the western half of the island is mainly farmland, marshes and industrial areas. The marshes in the west include
Estuary English more widely spoken in parts of Sussex, Hampshire, Bedfordshire, Berkshire, Buckinghamshire and Middlesex as well. Estuary English shares many features with Cockney, and there is some debate among linguists as to where Cockney speech ends and Estuary English begins. The variety first came to public prominence in an article by David Rosewarne in the "Times Educational Supplement" in October 1984. Rosewarne argued that it may eventually replace Received Pronunciation in the southeast. Studies have indicated that Estuary English is not a single coherent form of English; rather, it has some of the phonetic features of working-class London speech spreading at