Publications

The 2025 edition of the Greening the Blue Annual Report presents the environmental performance of the UN system in 2024, covering operations of headquarters and field offices worldwide.

The 2024 edition of the Greening the Blue Annual Report presents the environmental performance of the UN system in 2023, covering operations of headquarters and field offices worldwide.

The Common Approach to Pollution is the UN system’s shared framework for bringing together the different mandates and expertise of UN organizations to prevent and reduce pollution in a more coordinated way.

The 2023 edition of the Greening the Blue Annual Report presents the environmental performance of the UN system in 2022, covering operations of headquarters and field offices worldwide.

This report shows how the UN system tackles challenges presented by global plastic pollution, coordinating action to address it holistically and through action on the ground. Over 40 UN entities are supporting the Member States in reducing and addressing marine litter and microplastics.

The 2022 edition of the Greening the Blue Annual Report presents the environmental performance of the UN system in 2021, covering operations of headquarters and field offices worldwide.

The 2021 edition of the Greening the Blue Annual Report presents the environmental performance of the UN system in 2020, covering operations of headquarters and field offices worldwide.

The 2020 edition of the Greening the Blue Annual Report presents the environmental performance of the UN system in 2019, covering operations of headquarters and field offices worldwide.

The 2019 edition of the Greening the Blue Annual Report presents the environmental performance of the UN system in 2018, covering operations of headquarters and field offices worldwide.

The 2018 edition of the Greening the Blue Annual Report presents the environmental performance of the UN system in 2017, covering operations of headquarters and field offices worldwide.