While Bengaluru’s deteriorating air quality is a cause for concern, interventions targeted at polluting sources can help reduce pollution levels, according to the studies released by the Center for Study of Science, Technology and Policy (CSTEP). The studies—‘Emission Inventory and Pollution Reduction Strategies for Bengaluru’ and ‘Identification of Polluting Sources for Bengaluru’— identified polluting sources/activities or hotspots, which has been a significant challenge for policymakers working in the air pollution sector.