Product sharing systems is recently starting to become a more common phenomenon. Carpools exist in more than 40 Swedish towns and both Stockholm and Gothenburg have established bicycle sharing systems. Other products for which sharing systems have been established throughout Sweden are clothing and tools. From the point of view of the consumer, product sharing systems is a form of consumption which can be placed somewhere in between renting and privately owning a product, where the consumers usually pay a membership fee or a monthly fee to have access to the products whenever they need them. The concept is relatively new, and there are many products for which product sharing systems do not exist.

Transboundary protected areas are a fairly recent concept that have been increasing in popularity and are increasingly being integrated into large international organizations? environmental policy making. This essay examines the phenomena through the cooperation between two national parks, Parc National des Pyrénées in France and Parque Nacional Ordesa Monte Perdido in Spain. The theoretical framework used in this essay is based upon border theory, focusing on the different factors that influence the behavior of the border dweller and how the different social conceptions of nature influence the way it is managed. The results in this study result from researching published and private documents from the national parks and interviews carried out with staff from the park administrations from both countries.