City of Helsinki Environmental services produced an international questionnaire on trash prevention in other cities. The questionnaire was sent to around 500 recipients, mostly in Europe. The answers
were collected during the summer of 2020. The questionnaire focused on planning, implementation and assessment of action plans and actions to prevent littering and the actors involved in them.
The questionnaire was made with the Harava questionnaire tool and the language was English.
Trash prevention questionnaire of summer 2020 (pdf)
