Earth Hour as Social Protest?

by socanonymous The upcoming WWF Earth Hour campaign (Saturday 28th) expects millions of people around the world to participate by shutting off their lights for an hour.  Given the variability of issues within the broad umbrella term “environmental movement”, does the simple act of turning off our lights for an hour make a significant contribution to the reduction of climate change?  It is likely that this event is more symbolic of a global urgency to unite for a single cause. ...