FYI ... This theme includes CPRs that can be grouped in four broad classes: the urban commons, the virtual commons, the environmental services and the global commons. It also includes traditional commons that have changed in the present time as, for instance, in the case of the recreational use of forests or water basins. All the commons listed above share the characteristic of being the by-product of economic and social developments that have taken place in the past few centuries. Research on those topics using conceptual tools designed for the study of CPRs has strongly increased in the last few years. Moreover, many of those resources are, at present, crucial for the welfare of human beings as a whole. ... http://iascpeurope.eco.unibs.it/ -- ________________________________________ http://users.ntua.gr/karounos/ - skype: karounos