This is a guideline for plastic sorting at recycling centres. The aim is to assist the management of recycling centres in their choices in order to collect plastic of better quality and in greater quantities. Potential plastic categories are listed and described together with Issues to take into account when choosing how to organise the collection at the recycling centre.The report is part of the Nordic Prime Ministers' initiative: “The Nordic Region – leading in green growth” – www.norden.org/greengrowth. Read also more in the web magazine “Green Growth the Nordic Way” at www.nordicway.org