ISO 14001 is an international standard for environmental management systems (EMS). It helps organizations improve their environmental performance by managing environmental responsibilities in a systematic manner
ISO 14001 specifies the requirements to implement an Environmental Management System (EMS), by enabling organizations to implement a policy and by defining environmental targets and objectives, by also taking into account legal and other requirements. ISO 14001 provides a set of guidelines intended  to provide assistance to managers in various aspects of environmental management. These guidelines provide information for evaluating an organization’s environmental performance and management system.
