Lights Out London was a massive success last night. Read the full story here.

Sir David Attenborough has been discussing the significance of Lights Out London. Read what he's had to say here.

For the first time in 68 years The Piccadilly Advertising Lights will be switched off for Lights Out London. Read the full story here.

Transport for London has become the latest vital London organisation to sign up to Lights Out London. See what they've had to say here.

Wembley Arena and Square of Fame have become the latest London landmarks to sign up to Lights Out London. Read the full story here.

Friends of the Earth and the National Grid have become the latest significant supporters of Lights Out London. See what they've had to say here.

The Houses of Parliament has become the latest London landmark to sign up. Read more here.

Find out which major publications have been covering Lights Out London.

Find out which famous buildings are switching off.

See who else has spoken out in support of Lights Out London and what they¹ve had to say.

Click here to find out what popstar turned celebrity gardener Kim Wilde has to say about Lights Out London.

Ken Livingstone has given his full backing to Lights Out London. See exactly what he had to say here.

Some top celebs have already shown their support for Lights Out London. Check out who's been first to back the campaign and find out exactly what they've had to say.