An example of an Environmental Management System (EMS) is the ISO 14001 standard. ISO 14001 is an internationally recognized EMS that provides a framework for organizations to manage their environmental impact effectively. It consists of a set of requirements that organizations must meet to obtain certification, including:

1. Environmental Policy: The organization must have a written environmental policy that commits to compliance with applicable environmental laws and regulations, prevention of pollution, and continuous improvement of environmental performance.
2. Environmental Aspects and Impacts: The organization must identify and evaluate its environmental aspects and impacts, such as energy consumption, waste generation, and water use, and prioritize them based on their significance.
3. Legal and Other Requirements: The organization must identify and comply with all applicable environmental laws and regulations, as well as any other environmental requirements to which it subscribes.
4. Objectives, Targets, and Programs: The organization must establish and document environmental objectives, targets, and programs for achieving them, as well as allocate resources for their implementation.
5. Environmental Management System Structure and Responsibility: The organization must establish and document its environmental management system structure and responsibilities, including a management representative and a process for internal communication.
6. Training, Awareness, and Competence: The organization must ensure that all personnel who perform tasks that could have a significant environmental impact are trained, aware, and competent to perform those tasks.
7. Communication: The organization must establish and maintain procedures for internal and external communication relevant to the environmental management system.
8. Environmental Management System Documentation: The organization must establish and maintain documentation to ensure effective planning, operation, and control of its environmental management system.
9. Operational Control: The organization must establish and maintain procedures to manage its environmental aspects and impacts and ensure compliance with its environmental policy and objectives.
10. Monitoring and Measurement: The organization must establish and maintain procedures to monitor and measure its environmental performance, as well as the effectiveness of its environmental management system.
11. Evaluation of Compliance: The organization must periodically evaluate its compliance with applicable environmental laws and regulations.
12. Nonconformance and Corrective and Preventive Action: The organization must establish and maintain procedures for identifying and correcting nonconformance and implementing corrective and preventive actions.
13. Records Management: The organization must establish and maintain procedures for the control of its environmental management system records.

By implementing an EMS like ISO 14001, organizations like Kier can manage their environmental impact effectively, improve their environmental performance, and demonstrate their commitment to sustainability.