earth hour 2008.

my lights were out. were yours?

earth hour 2008 san francisco.

i love living in a u.s.a. city leading the way when it comes to environmental activism like this.

earth hour 2008 sydney, australia.

earth hour. cnn.com

earth hour 2008: did it matter? time.com in partnership with cnn.

what do you think? did earth hour make a difference?