July 24, 2016
Drugs found in drinking water
March 10: A new study finds traces of all sorts of prescription drugs in cities across the country. How dangerous is it? NBC's Tom Costello reports.
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Calaveras High School Student: 'My Mom's House is Burned'
September 21, 2015
Pope's message resonates with Texas nun's green activism
September 19, 2015
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