Earth Hour

On the 27th March 2010 there was a world-wide Earth Hour which, essentially, involved many landmarks around the world turning their lighting off for – you guessed it – an hour.

Not only did this save who-knows-how-much electricity, but also served to highlight (pun intended) how much pointless illumination there is in the world.

This link gives a few pictures from the UK, allowing you to be the one to flick the switch: Flick The Switch

This one is a selection of photos from around the world: Around The World