Dr. Sergio Peña published a column in the Constitutional Journal (Diario Constitucional in Spanish) entitled "Contributions of international law to a new Constitution" ("Aportes del Derecho internacional público a una nueva Constitución" in Spanish)

Dr. Peña presented the contribution of international law to a new constitution regarding from an environmental perspective. the full column is in this link: https://www.diarioconstitucional.cl/articulos/aportes-del-derecho-internacional-publico-a-una-nueva-constitucion