The recovery rate increased spectacularly, going from 18 to 42%. At the same time, in a dynamic demographic context and relying on an increasing consumption of material goods, the quantity of residual materials generated went from 7 Mt to 11.3 Mt. In 1988, one Quebecois generated 1 t/yr of residual material which increased to 1.51 t/yr in 2002. Thus, regulation mechanisms are to be imagined and implemented in order to really enable “capitalizing” the efforts approved to set up a more pragmatic management of resources consumed. Fixed volumes could be imposed thanks to economic tools that were inspired, for example, from the functioning of markets of permits to emit CO2, created in the framework of the Kyoto protocol. Nevertheless, in view of the stakes, the crucial question will always remain that of the implementation of such mechanisms, particularly on a global level. The materialization of eco-industrial development projects within territories will fi nally require new skills. Expert-coordinators should be trained. The nature of the projects demands original profi les combining at a minimum the capacity to coordinate a network of industrial and institutional participants to certain technical skills which enable the understanding of the functioning of a production process. The question of training and the transfer of technology and skills towards the territories is therefore primordial.