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The municipality has been implementing several more sustainable practices in services it provides and in the county in general. The Office for Quality and Environment cooperates with all divisions of the municipality and promotes measures and plans that aim to make the county more sustainable and more efficient.
The municipality participates in the project of certification of the archipelago as the first Sustainable Archipelago of the world, having signed and committed itself to implement the proposed measures included in the Sustainability Booklet of the Azores in 2017.
The city of Ponta Delgada also participates in the Urban waste project.