[holding answer 26 March 2009]: I apologise for the delay in this response. The Government are committed to achieving a successful outcome to the negotiations in Copenhagen later in the year, and campaigns such as Earth Hour play an important part in sending a strong message to world leaders that firm public support for positive action to reduce greenhouse gas emissions comes from all parts of the globe. To show support for the campaign the lights were turned off in several Government buildings including the Department of Energy and Climate Change and the Department for Environment, Food and Rural Affairs.