Abstract
In México some social movements have incorporated the legal mobilization as part of their repertory for contention, this, with the intention that their lawsuit be attended. This article analyzes the opportunities and limits provide by the structure of the legal and political chances from the front of people defense of the land provide with their objections to the new airport of Mexico City megaproject (2001-2002).
social movements; legal mobilization and legal structure opportunity; Megaprojects