Earth Hour 2009!
ITP:
http://www.flickr.com/photos/bluebee/sets/72157616051049316/
YouTube Stuff:
Chrysler /Empire state building an hour ago:
http://www.youtube.com/watch?v=MhrwEjD5Sfo
Malaysia:
http://www.youtube.com/watch?v=hGzq7kOAkkA
China:
http://www.youtube.com/watch?v=rvJzPIt4EUI
Paris:
http://www.youtube.com/watch?v=d7SPdG0EMqQ
South Africa:
http://www.youtube.com/watch?v=dXqP8llnH4s
Some other cities:
http://www.youtube.com/watch?v=1CgiwtwARto