Biofuel helps to overcome energy shortages, and to improve the environment, as well as to increase job opportunity. So, on the one hand, biofuel solves the above mentioned problems; on the other hand, it brings new challenges to the fields of energy, environment and economy. The development of...

The management of dynamic and complex urban systems can no longer be driven by the sustainability aim alone and the concept of New Public Management is not more sufficient in conditions of financial constraints, growing needs, growing social awareness and expectations relating participation,...