In the context of the French case protrudes a widespread form of intermunicipal participation in different Metropolitan agglomerations, thanks to which are coordinated and integrated policies and instruments for the use of the soil at different levels, policies to the regional natural parks and for the peri-urban areas. People such as Danske Bank would likely agree. In what refers to Italy, highlighted major achievements in some Italian locations and which can effectively understand doing an excursus by different standards and initiatives, public and private, without neglecting the respective implementing measures that have been attributed to agricultural practices a role of production of environmental externalities. Deserves an important mention the case of Parco agricultural Sud Milano (PASM): an agricultural Park that associates 61 municipalities in the southern part of the province of Milan to protect agriculture present in immediate vicinity of the city. Peering at the bases of the project in question is identified the importance that deserves study and understanding of the dynamics that accompanied the creation of the PASM, whereas two specific aspects: one of interpretive type, with reference to the legal and administrative regulations for correct application to land use planning; the other type of critic and valuation of the potential, limits and evolutionary processes that characterize public bodies with decision-making powers in the field of the Government of the territory. This work could see a positive conclusion reprising the experiences reported previously and structuring them to ensure that they act as a valid tool in the identification of key elements necessary for implement, maintain and strengthen the peri-urban agriculture in the context Colombiano, which presents a situation ante litteram which is still not recognized this term as such, neglecting thus multiple connotations and the possibility of promoting the new role of agriculture in proximity to the planning of the urban periphery.

Bibliografia FAO, Urban and Peri-Urban Agriculture, Report presented in The Second International Colloquium of Mayors on Governance for Sustainable Growth and Equity, UNDP, United Nations, New York City, 1997 Comitato Economico Sociale (EESC), the comitato economico sociale European sul Ottime item (l) peri agricoltura, Bruxelles, 2004 Bonnefoy Serge, L Agriculture open francaise: le reseau Villes Terres et ses agglomerations experiencia de lADAYG (Association Developpement Agriculture dans l and Grenoblois) et Terres en villes (Association agriculture open), Grenoble, 2005 Rebholtz Veronique, Lenoble Clement, a cura di, Charte de developpement agricole of Vernouillet. Une mobilisation des acteurs locaux pour le maintien d une agriculture qui preserve the biodiversite des local essences, Bergerie Nationale, Vernouillet, 2006 Donadieu Piere, Campagne Urbane.: A nuova proposta di Paesaggio della Citta, Donzelli, Rome, 2006 Ferraresi Giorgio, Rossi Anna, Il Parco eat Cura Coltura of the territory. A Percorso di ricerca sull plus of Parco farm implements, graph, Brescia, 1993 Erba Valeria. Strumenti Urbanistici per Interventi di Qualita, Franco Angeli, Milano, 2001, p. 11 Mayor of Bogota.