Osa: the Jewel of Costa Rica is a documentary on eco-sustainability and best practices used in Costa Rica. This film tells the story of the preservation of the rain forest in conjunction wit... Read allOsa: the Jewel of Costa Rica is a documentary on eco-sustainability and best practices used in Costa Rica. This film tells the story of the preservation of the rain forest in conjunction with the development of a healthy local economy.Osa: the Jewel of Costa Rica is a documentary on eco-sustainability and best practices used in Costa Rica. This film tells the story of the preservation of the rain forest in conjunction with the development of a healthy local economy.