BARGAIN OF the ENVIRONMENTAL RESOURCES FOR the DEVELOPMENT Robson Ribeiro de S? Lawyer and specialist in Enviromental law. The beginning of equity intergeracional is principle exordial, cousin principium of development sustainable, that is the use balanced and moderate of the natural resources and the biodiversity of form that comes to supply the necessities of the current generations, without compromising its job for the coming generations. The support, in superficial analysis, is the interlacement of the Economy, Ecology and Social Development. As Pezzey, the support must be understood as the not decreasing utility of the resources to the disposal of the members of the society in a perspective of millenia. For Solow, the support is the preservation of the productive capacity in a horizon of indefinite time, in way that each generation can make the option of living so well, or better, of what its predecessors. Immediately after the reading of the regal principle, above unfolded, already has what to arguir: In what expresses the use balanced and moderate of the natural resources? How to take care of to the necessities of consumption of the generations gifts, without roughing-hew the ambient patrimony of the coming generations? How to preserve the environmental resources if to fix assertive, the almost paradoxical ones, in a perspective of millenia? How to conjugate these verbs that the principle are diametrical antagonistic if to consider a nation in development where the economy is seated in commodities agriculturists and minerals? The supported handling, world-wide, will have difficulty in prospering ahead of the gigantic interests of the cultivation, in the agronegcio, that under the vindication of the clean energy, of the renewable fuel, horizontes forest and noble lands consume and degrade ample. It has a chain that it advocates the possibility of a substitutividade of the integrant resources of the ambient capital, since that the future generations can enjoy of an equal or superior social welfare to the current one.