Atlantic Whale Foundation - Includes information on the world's whales, dolphins, and porpoises and projects that support the preservation of the species.
BTCV London - Providing practical conservation opportunities for volunteers in and around the London area.
London Bat Group - Registered charity working throughout the Greater London area to help protect London's bats.
London Biodiversity Partnership - Conservation of city habitats and species action plans. Includes the London Biodiversity Action Plan, being progressed by the Mayor's office.
London Natural History Society - Information on the society, who carry out a number of surveys on the botany and wildlife of London and the surrounding area.
London Wildlife Trust - Campaigns to protect and enhance wildlife in the capital city.