Black Cloud

Beijing, China
Though the Chinese economy is booming, the skies above the cities are darkening—one of the biggest causes of pollution is the dramatic growth in the number of automobiles and the resultant emissions. To kick off its 20 tips for sustainable development and to drive traffic to the 20to20.org mini-site, the WWF staged its message in a dramatic fashion… The text on the balloon reads “Drive one day less and see how much carbon monoxide you’ll keep out of the air we breathe.”
Source: adgoodness