"To determine the ranking, Corporate Knights analyzed companies against global industry peers on key performance indicators..." (Progressive Railroading, 2021)
References:
Progressive Railroading (2021, January 25). CN among top 10 'most sustainable' corporations. Retrieved from Progressive Railroading: https://www.progressiverailroading.com/canadian_national/news/CN-among-top-10-most-sustainable-corporations--62511
Published on January 26, 2021