Luton Rising’s Net Zero 2040 Strategy transforms its water system from a carbon-intensive utility into a circular resource engine. The core ambition is to achieve operational net-zero carbon a decade ahead of national targets, moving beyond mere offsetting to deep decarbonisation and resource recovery. The integrated plan is built on four key pillars: Decarbonisation through energy-positive treatment, using advanced anaerobic digestion to generate renewable biogas and suppressing potent nitrous oxide emissions with AI controls. Circularity by ending the concept of wastewater—instead producing ‘Luton Water’ for reuse and recovering nutrients like phosphorus to create sustainable fertilisers. Resilience via catchment-based source control and nature-based solutions that protect waterways and sequester carbon. Digital Innovation, using a Connected Catchment Digital Twin to optimise the entire system in real-time for the lowest carbon and pollution outcome. Ultimately, the strategy reframes the net-zero challenge as a catalyst for innovation, creating a resilient, self-sustaining system that contributes positively to the town’s water security, environment, and economy.