The go-ahead follows a public inquiry into the plans
The go-ahead has been given to plans for a £1.5bn superport in Essex.
The London Gateway container port and business park will be built on the former Shell oil refinery site at Shell Haven in the Thames Estuary, Thurrock.
It follows a battle by P&O, now part of Dubai Ports World, to develop the site on the north bank of the Thames, including a public inquiry.
Some farmers in Kent opposed the plans saying agricultural land and wildlife habitats would be destroyed.