ArcelorMittal will invest around $1 billion in upgrading its steel facilities in Ukraine to reduce pollution, Ukrainian President Volodymyr Zelenskiy was quoted as saying on April 14.
Reuters: Ukraine says ArcelorMittal to invest $1 billion to cut pollution
Steam billows out of a coking plant built in 2013 at ArcelorMittal Kryvyi Rih, constructed as a part of the company's strategy to modernize the steel mill.