Ken Livingstone has backed moves to make London a greener city.

The Capital's mayor said on Wednesday that more should be done to preserve trees and woodlands.

His comments came as details of the London Tree and Woodland Framework were set out, calling for green spaces to be incorporated into new developments.

"I believe that we all have a responsibility to protect and conserve our trees and woodlands and pass them on to future generations of Londoners, enhanced rather than harmed," said Livingstone.

"I would like to see more community participation in the planning and management of London's woodlands and I want every Londoner to have access to trees and woodlands.

"Trees are vital to making London a more attractive, well-designed and green city. I particularly recommend that the checklist in the framework is used to ensure that the right tree is planted in the right place."

There are currently an estimated seven million trees in Greater London and the new framework document argues that they can play an important role in sustainable development and regeneration.

"Trees are as much a part of London's history as its famous buildings and monuments," said Philip Davies of English Heritage.

"The framework will guide the planting of the right tree in the right place.

"It encourages checking if there is a history of planting certain species in an area and choosing areas for planting that are accessible to Londoners."