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
Costa Rica played a key role in Costa Rica's history and in 2006, was the third cash crop export. As a small country, Costa Rica now provides under 1% of the world's coffee production. In 2015, the value of coffee exports was US$305.9 million, a small part of the total agricultural exports of US$2.7 billion. Coffee production increased by 13.7% percent in 2015-16, declined by 17.5% in 2016–17, but was expected to increase by about 15% in the subsequent year. Costa Rica has developed a system of payments for environmental services. Similarly, Costa Rica has a tax on water pollution to penalize