Can you guess the meaning of these military terms?
Take a look at some of the world's most polluted cities, as ranked and compiled by Time, the Blacksmith Institute and ABC Environment.
Severe pollution is once again choking Shanghai and other cities in China, disrupting hundreds of flights and forcing schools to close. China is home to some of the world's most polluted cities -- take a look at some of the others.
Honolulu Mayor Kirk Caldwell announced details Thursday of a plan to create emergency housing out of modified shipping containers on Sand Island.
When President Barack Obama flew into La Crosse, Wisconsin, on Thursday, he was greeted by Gov. Scott Walker, and the two were seen shaking hands and smiling.
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