Costa Rica–Nicaragua San Juan River border dispute President Laura Chinchilla was criticized by former President Óscar Arias for her naïve handling of the situation. On November 18, 2010, Costa Rica filed proceedings against Nicaragua in the International Court of Justice. The complaint alleges an incursion into, occupation of and use by Nicaragua's Army of Costa Rican territory, breaches of Nicaragua's treaty obligations toward Costa Rica, and “ongoing and planned dredging and the construction of the canal (that) will seriously affect the flow of water to the Colorado River of Costa Rica, and will cause further damage to Costa Rican territory, including the wetlands and national wildlife protected
University of Costa Rica reformist administration of President Rafael Ángel Calderón Guardia. The UCR remained the country's sole university until the Costa Rica Institute of Technology ("Instituto Tecnológico de Costa Rica") and the National University of Costa Rica ("Universidad Nacional de Costa Rica") were opened by the government in 1972 and 1973, respectively. Years later, in 1979, another public university opened: the Distance State University ("Universidad Estatal a Distancia"), modeled after the British Open University. Today, Costa Rica has five public universities (the fifth being the newly created National Technical University), and approximately fifty three small private ones, but the UCR remains the largest