Their remote location meant that the islands had few visitors and almost all of the animals exhibit no natural fear of man. However, a rising population, the presence of feral pigs and goats, and the pressures of mass tourism have begun to threaten the existence of some species. On April 10, 2007 Rafael Correa Delgado the President of Ecuador issued an emergency decree<ref>[http://www.galapagos.org/news/04_2007_Decree.html] Presidential decree 4/10/2007</ref> calling for sustainable development. | Their remote location meant that the islands had few visitors and almost all of the animals exhibit no natural fear of man. However, a rising population, the presence of feral pigs and goats, and the pressures of mass tourism have begun to threaten the existence of some species. On April 10, 2007 Rafael Correa Delgado the President of Ecuador issued an emergency decree<ref>[http://www.galapagos.org/news/04_2007_Decree.html] Presidential decree 4/10/2007</ref> calling for sustainable development. |