ISO 14001 has 5 principles:

• Your organization defines your environmental policy and commitment to its EMS. Policy should include:
• mission, vision, core values, and beliefs
• requirements of and communication with interested parties
• continual improvement
• prevention of pollution
• guiding principals
• coordination with other organizational policies (e.g. quality, OSHA)
• specific regional or local conditions
• compliance with relevant environmental regulations, laws, and criteria to which the organization subscribes