What is the most convincing explanation for the success (or failure) of green parties in Europe - Value change, party strategy or institutions

Essay from the year 2005 in the subject Politics - Political Systems - General and Comparisons, grade: 1,3, University of Nottingham (School of Politics and International Relations), course: Politics and Society in Europe, a comparative approach, language: English, abstract: The emergence of Green parties towards the end of the 1970s was asignificant turning point in the development of party systems in Western Europe.Most of them had been highly stable after World War II until the early 1970s.Therefore, in several countries, the Greens were the first to disrupt the stable partysystems of the 1 950s and 60s. But why Green parties And why in the 1970s Andwhy were and are the Greens in some European countries more successful than inothers And why in a few did they almost completely fail The aim of this essay is to find answers to the questions mentioned, exploringwhether value change, party strategy or institutions are the best explanation for thedevelopment of Green parties across Europe. Therefore the essay is divided intotwo main parts. The first rather small one elaborates in which countries in WesternEurope Green parties have played a more or less significant role in the past thirtyyears and in which countries they haven't. This is rather a descriptive approachanswering the question of what is to be analysed in the second part. In this secondmore analytical part of the paper, the different approaches to explain theemergence of Green parties - value change, party stretegy or institutions - areexplored searching for the most convincing one.[...]