ISO 20400 Sustainable Procurement is a global standard designed to help organizations of all sizes and industries procure goods, services and works in a sustainable way.

This standard provides an outline of the principles and practices of sustainable procurement. It is intended to help organizations identify and address environmental, social, and economic impacts of their procurement activities.

The goal of ISO 20400 Sustainable Procurement is to enable organizations to better manage their procurement activities by taking into account the environmental, social, and economic impacts of their purchasing decisions. This standard also provides a framework for organizations to assess, measure, and report on the sustainability of their procurement practices.

ISO 20400 Sustainable Procurement defines sustainability of procurement as �the consideration of an organization's long-term economic, environmental and social interests in its procurement activities, with a view to minimizing the total cost of ownership.� It does this by encouraging organizations to consider the environmental, social, and economic impacts of their purchasing decisions. This includes evaluating the impact of suppliers on the environment and society, considering the life-cycle of products and services, and seeking out sustainable procurement options.

The standard also outlines the principles and criteria that should be taken into account when designing and implementing sustainable procurement, including the following:

• Respect for human rights
• Environmental protection
• Consideration of social and economic impacts
• Compliance with applicable laws and regulations
• Transparency and accountability
• Efficiency and effectiveness
• Innovation
• Resilience

In addition, the standard also outlines how organizations should report on the sustainability of their procurement activities. This includes measuring, monitoring, and reporting on their performance against the criteria outlined in the standard.

Overall, ISO 20400 Sustainable Procurement is an important standard that can help organizations of all sizes and industries to procure goods, services, and works in a more sustainable way.

By providing a framework for assessing, measuring, and reporting on the sustainability of procurement practices, this standard can help organizations to better manage their procurement activities and reduce their environmental, social, and economic impacts.