Environmental management is among the core principles of our total strategy for corporate responsibility and ensures our sustainable development. Our environmental management system is certified according to ISO 14001 and has been applied for the past 12 years. Its purpose is waste and emissions management, along with developing a strategy to reduce the consumption of natural resources. From 2009 to 2017 we managed to reduce our electricity consumption by 40% and our natural gas consumption by 50%; we also managed to drastically reduce the volume of waste sent to landfills and decrease our water consumption by 55%. The further diversification of our environmental responsibility programmes is an inseparable aspect of our corporate objectives.