A new joint study from the University of Michigan and the University of Hawaii shows rising mercury levels in fish, which researchers say is attributable to air pollution in Asia. "CBS This Morning" discusses what consumers need to know about fish.
Study: Asia Polluting World Fish Population
A new joint study from the University of Michigan and the University of Hawaii shows rising mercury levels in fish, which researchers say is attributable to air pollution in Asia. "CBS This Morning" discusses what consumers need to know about fish.
Aug 27, 2013