Toward a European Regulatory Scheme for the Promotion of Green Power: Ensuring Energy Supply, Environmental Protection and Sustainable Development - European Public Law View Toward a European Regulatory Scheme for the Promotion of Green Power: Ensuring Energy Supply, Environmental Protection and Sustainable Development by - European Public Law Toward a European Regulatory Scheme for the Promotion of Green Power: Ensuring Energy Supply, Environmental Protection and Sustainable Development 18 4 European Public Law