Trained Citizen Scientist 'Monitoring Groups' follow our official litter data collection methodology to ensure consistency and scientific rigour. This is a local adaptation of the United Nations Environment Program / Intergovernmental Oceanographic Commission Guidelines on Survey and Monitoring of Marine Litter. Litter monitoring groups follow the basic process below for all monitoring activities: 

  1. Choose Survey Area
  2. Set-up Survey Area
  3. Complete Litter Survey
  4. Complete Litter Audit
  5. Repeat four times a year

Download methodology documents

Click the links below to download the methodology summary, data sheets and supporting documents.