The Nordic countries have a long tradition for participating in the international collaboration for conserving the world's natural and cultural heritage. Conventions are an important tool in connection with this collaboration. This booklet describes 13 of the most important conventions that involve the Nordic countries in different ways - and which the Nordic countries in many cases have helped prepare. These conventions are: - Biodiversity Convention - CITES Convention - Ramsar Convention - Bern Convention - Bonn Convention - Whaling Convention - Helsinki Convention - OSPAR Convention - World Heritage Convention - European Landscape Convention - Granada Convention - Malta Convention and - Aarhus Convention There is a short description of the historical background for the conventions. The most important provisions and their relevance to the Nordic countries are also described. In addition, the booklet contains a summary of which Nordic coun-tries have adopted the individual conventions and references to sources of further information. The target group comprises politicians, civil servants, administrators, teachers, interest organisations and others who are interested in the natural and cultural heritage.