UK homes urged to 'leave it off'

Here.

Excerpt:

Britons are being asked to "leave it off" later this month, to show that cutting home energy use can have an impact on climate change.

So this event is expected to have a measurable impact on the Earth's climate?

A little background on "Planet Relief":

Planet Relief was first developed as an awareness-raising, comedy-led BBC TV programme.

The BBC justified the decision to drop it after 18 months of development by saying viewers preferred factual or documentary programmes about climate change.

The decision came after poor audiences for Live Earth, and public debate over whether it was the corporation's role to "save the planet".