Reducing Litter on Roadsides

Methods for monitoring urban street litter: a comparison of municipal audits and an app-based citizen science approach

“…25 While these audits are performed regularly in many cities across the globe, we nd that their results are not commonly incorporated into scientic research on litter or plastic pollution or otherwise synthesized across jurisdictions, leaving a gap between practitioner knowledge and a broader understanding of mechanics and trends in urban litter. 26 Citizen science, also referred to as participatory science, is one approach that shows promise for aiding litter monitoring efforts. Several apps, including Litterati, Marine Debris Tracker, Marine LitterWatch, and Clean Swell, attempt to facilitate collection of litter data by citizen scientists through a dedicated mobile phone app.…”