Sustainability certification is generally seen as a promising tool to improve environmental, social, and economic activities along global value chains of commodities. Relying on theories of new institutionalism, this book locates sustainability certification programs as forms of private governance in the broader categorical framework of global governance and compares two prominent programs. It studies commonalities and differences of Fairtrade and the Rainforest Alliance on the program level and analyzes their implementation and impacts on the livelihoods of cocoa farmers in Ghana. (Series: New Cologne Cooperative Science / Neue Kolner Genossenschaftswissenschaft - Vol. 8) Subject: Sustainability Studies, Agricultural Studies, Environmental Studies, Business, African Studies]