Editing Cherepovets (section)

===Chemical industry===
The second largest industry in the city is the chemical industry. Its main production area is concentrated in mineral fertilizers. [[PhosAgro]] (LSE, MOEX) is the largest producer of phosphate-based fertilizers and phosphoric and sulfuric acids in Europe.{{citation needed|date=August 2017}} It is also one of the leading producers of [[NPK]] fertilizers, [[ammonia]], and [[ammonium nitrate]] in Russia.<ref>{{cite web|url=http://vologda-oblast.ru/en/about_the_region/economy/key_industries/%D1%81hemical_industry/|title=Chemical Industry|publisher=Vologda Oblast Official Website|access-date=17 May 2014|archive-date=March 4, 2016|archive-url=https://web.archive.org/web/20160304043622/http://vologda-oblast.ru/en/about_the_region/economy/key_industries/%D1%81hemical_industry/|url-status=dead}}</ref>

As an outcome of the high volume of metallurgical and chemical production, Cherepovets is one of the most heavily polluted cities in the world. According to a 2011 assessment, the city ranked second only after [[Norilsk]], Russia.<ref>{{cite web|url=http://en.rian.ru/photolents/20110623/164796740_3.html|archive-url=https://archive.today/20120709065050/http://en.rian.ru/photolents/20110623/164796740_3.html|url-status=dead|archive-date=July 9, 2012|title=Russia's top 10 most polluted cities|publisher=[[RIA Novosti]]|access-date=December 17, 2011}}</ref>