What series of ISO standards defines the requirements of an environmental management system that can...

ISO 14001 is the internationally recognized standard for environmental management systems (EMS)​.

ISO 14001 (A) provides a framework for organizations to monitor, measure, and improve their environmental impact.

ISO 14021 (B) deals with self-declared environmental claims, not full EMS.

ISO 14025 (C) pertains to environmental labeling and declarations.

ISO 14024 (D) addresses environmental labeling programs.

ISO 14001 helps organizations establish a structured approach to sustainability and regulatory compliance​.