This case study documents the recovery of the biogas generated in the wastewater treatment process and highlights its importance within the framework of the Local Strategy for Climate Change of the Municipality of Almada. As a coastal city, progressive water and wastewater management toward a carbon efficient urban water cycle is a priority for the City Council of Almada. The construction of the Portinho da Costa Wastewater Treatment Plant, which recovers energy from biogas, represents integrated local action which progresses wastewater treatment, water resources management, and low emissions development.