Earth Hour 2009 - The Big Picture - Boston.com
http://www.boston.com/bigpicture/2009/03/earth_hour_2009.html
Earth Hour 2010 - The Big Picture - Boston.com
http://www.boston.com/bigpicture/2010/03/earth_hour_2010.html
The Big Picture - News Stories in Photographs from the Boston Globe
Verrassend wat licht doet in je beleving Check deze foto's voor en tijdens Earth Hour 2010 http://bit.ly/9RiQVi
Fotos de la Hora de la Tierra 2010
Earth Hour produced some stunning images