The volunteer programme in the Nationale Naturlandschaften invites volunteers to support the German national parks, nature parks and biosphere reserves. International volunteers contribute to the park's activities through their special competences and experiences – e.g. language skills, expertise and own traditions – and are a big benefit. (Website in English, German and other languages)  Visit site

This 2001 publication of an European network evaluates youth volunteering in different European countries on the basis of national studies done and to propose concrete actions to promote it on both European and national level.  Visit site