"Norfolk Southern signs Operation Clean Sweep Pledge to eliminate plastic pollution"

"This international program provides guidance for companies to prevent the release of micro plastics..." (Norfolk, 2020)

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References:

Norfolk, V. (2020, August 11). Norfolk Southern signs Operation Clean Sweep Pledge to eliminate plastic pollution. Retrieved from Norfolk Sourthern: http://www.nscorp.com/content/nscorp/en/news/norfolk-southern-signs-operation-clean-sweep-pledge-to-eliminate.html