Tired of lamenting losses to predators, or competition for forage with other native species, the sheep producers of Santa Cruz came forward with a comprehensive plan to recover their activity, which is based on nothing less than a mega infrastructure and a half-century investment. The idea proposed by the FIAS and the Rural Society of Puerto Deseado is to set up a large barrier along National Route No. 3, about 400 kilometers long. In comparative terms, it is half the length of the famous wall built by Trump on the border with Mexico, or one-tenth of the length of the historic Dingo Fence in Australia, a similar structure that is more than 140 years old. Integrated into a much broader plan, which includes integrated management with other deterrent mechanisms, the great wall would separate about 135 establishments and protect more than 2 million hectares from the intrusions of the guanaco, or the pressure of pumas and foxes. In the end, even green financing and access to niche ...