Provided by the Center for Disease Control's (CDC), National Institute for Occupational Safety and Health (NIOSH), this historic 1943 image depicted a number of industrial smoke stacks located alongside a North Carolina railroad. Note the pollutants being released into the atmosphere, which today, are more stringently regulated through the implementation of technologic advancements, thereby, reducing the toxification of the environment on a global scale.
CDC/ Barbara Jenkins, NIOSH
November 4, 2012
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