The following outline is provided as an overview of and topical guide to Costa Rica: Costa Rica – sovereign country located in Central America, bordered by Nicaragua to the north, Panama to the east-southeast, the Pacific Ocean to the west and south, and the Caribbean Sea to the east. Costa Rica was the first country in the world to constitutionally abolish its army. Among Latin American countries, Costa Rica ranks 4th on the 2007 Human Development Index, and 48th worldwide. Costa Rica is ranked 5th in the world on the 2008 Environmental Performance Index, up from the 15th place in 2006. In 2007 the government stated that it wants Costa Rica to be the first country to become carbon neutral by 2021.