L'Alliance pour la Planète (a French alliance of environmental groups) has launched an appeal to give this planet a 5 minutes' break: on 1 February between 7.55 and 8.00 pm Paris time (you can check here what that means for you local timezone).
To quote the Alliance: "It is not about saving 5 minutes of electricity, but about drawing the attention of all citizens, media and politicians to the waste of energy and the urgency of taking action. 5 minutes for the planete: it doesn't take long, it costs nothing and it will show the candidates for the Presidency (France is electing a new President in a couple of months) that climat change is an important subject in the political debate."
I, for one, will try to join the action (if I don't forget and miss the 5-minute time span). I do wonder, however, what will happen if everybody switches their lights back on at 8?