An Environmental Management System (EMS) provides a framework and tools for managing the environmental issues related to your facility of business operation. It includes processes for planning, operations management, performance measurement, reporting, and auditing. Information gathered through these processes aids in assessing, prioritizing and mitigating environmental risks and liabilities of your day-to-day operations and activities. An EMS follows the ISO 14001:2004, the international standard for environmental management systems or can be built to follow the principles of the standards and not seek certification. A key principle of an EMS is a cycle of policy-setting, planning, implementation, measuring, and reporting, resulting in continual improvement of the system and ultimately environmental performance.