Mostostal Warszawa is a socially responsible company in which the environmental awareness of employees and cooperating companies plays an important role. The Company's strategy is to limit the negative impact on the natural environment. One of such activities was the implementation and certification, as one of the first construction companies in Poland, already in 1999 - of the Environmental Management System, compliant with the requirements of ISO 14001. The current certificate of the integrated Quality, Environmental and Safety and Hygiene Management System confirmed by an external audit was extended until 2024. Over the years, Mostostal Warszawa has developed good environmental and safety practices that are binding throughout the Capital Group. The company constantly monitors and conducts conscious management of construction sites: waste generated, both hazardous and non-hazardous; electricity and water consumption; consumption of raw materials and materials; amounts of industrial and municipal wastewater discharged. On a macro scale - these data are transferred on a semi-annual basis to the strategic partner of the Company - Spanish company Acciona, which includes them in the annual report on sustainable development - Dow Jones Sustainability Index, which is published on global stock markets.