Look out for dolphins on the Thames
A call goes out for volunteers to join the search for dolphins, porpoises and seals in the Thames Estuary.
A planning application is submitted by Transport for London for a new crossing over the River Thames.
A boat designed in the Isles of Scilly is being used to monitor fish stocks in the River Thames.
Comedian Tim Fitzhigham is heading across the Channel and up the Thames - in a converted copper bath.