Sofia Nemenmann is an ecofeminist activist who lives in Bariloche, Argentina. In 2013, together with a great friend, she co-founded Río Santa Cruz Sin Represas, a socio-environmental project that aims to stop the construction of two mega hydroelectric dams on the Santa Cruz River. Based on this project, she directed a documentary called “El último río de la patagonia” (The Last Free River of Patagonia). She is currently co-director of the Argentine Association of Environmental Lawyers and advisor for Argentina of the Global Greengrants Fund.