COP26 needs to address air quality as well as climate change
…e.g. reducing animal stock numbers and fertiliser use, and improving waste management on farms could help to achieve those targets as well as reduce particulate matter in urban areas and also nitrogen deposition to vulnerable ecosystems. Unfortunately, the development of biogas/biomethane production from anaerobic digestion of food waste, sewage sludge and animal manures to displace natural gas use, is likely to increase NH3. Overhauling how we tr…