Los Reales Landfill: Methane Emissions & Solutions

Tucsons Los Reales landfill emits significant methane, a potent greenhouse gas, due to buried waste decomposition. Current emission estimates may be underreported, with potential for double or triple the reported amounts due to undetected leaks. The sites gas capture system fails to capture all methane, with substantial emissions escaping through cracks, uncovered areas, and pipe issues. Recent aerial and satellite surveys confirm these fugitive emissions contribute significantly to overall methane output. Local advocacy groups, such as Stop Waste Tucson, emphasize the need for immediate action to reduce methane emissions from landfills, which are the top U.S. polluters. Proposed solutions include surface scans with drones and infrared cameras to identify leak sources, prompt repairs, installation of additional gas wells, and upgrading collection equipment. However, the most effective long-term strategy is preventing organic waste from entering landfills through composting, food rescue initiatives, and waste reduction efforts. As Los Reales air permit is up for renewal, Tucsons leaders have an opportunity to implement stricter monitoring, repair, and diversion goals, leveraging proven strategies from other states and funding from grants and gas sales. Adopting these measures will significantly reduce methane emissions and their impact on the environment for decades to come.

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