Air
ZB874_138728_0517
In 2008 China officially became th...
ZB874_138728_0190
In 2008 China officially became th...
ZB814_137571_0052
Coal Fired Power Plant
ZB1008_136341_0121
Cemex Cement Works
ZB799_126302_0052
Steelworks
ZB799_126733_0040
BP Refinery
ZB874_128140_0077
A cruise ship off Illulisat
ZB874_138728_0097
Cyclists in Beijing wearing smog m...
ZB950_179701_0025
BRAZIL SAO PAULO ENVIRONMENT POLLU...