Friends of the Earth said the Thames Estuary airport scheme was a "pie-in-the-sky plan" and that Mr Johnson should "stop pitching communities in west London against those in Essex and Kent and back transport solutions that don't wreck our planet".
Rodney Chambers, leader of Medway Council in Kent, said: "For five years now, Boris has failed to listen to the huge number of people who have said that placing an airport in North Kent, on or near the Thames Estuary, is a complete non-starter."
More top news
Elizabeth Hurley told ITV News it was vital for those who survive the disease to continue to be supported after their recovery.
The mother of Shane Virami are taking Thomas Cook and a friend of his to court over his death.
The OktoberFest beer festival, due to take place this weekend, has been cancelled at the last minute.