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 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.

The International Good Practice Principles for Sustainable Infrastructure are intended to provide guidance for global use on the integration of sustainability throughout the entire infrastructure life cycle, with the focus “upstream” of the project level. It aims to assist high-level policy- and decision- makers in governments in creating the enabling environment for sustainable infrastructure that is needed to achieve the Sustainable Development Goals (SDGs) and the objectives of the Paris Climate Agreement, while respecting existing international conventions and internationally agreed standards.

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. 

The 2017 edition of the Greening the Blue Annual Report presents the environmental performance of the UN system in 2016, covering operations of headquarters and field offices worldwide.