our reporter katja dohne took a taste test. katja: costa rica wants to be carbon neutral by 2021.y well on the way when it comes to protecting the rain forest. now it's focused on lowering the greenhouse gas emissions generated by coffee production. climate-friendly coffee is also good for business. the german giz development agency is helping the country with the conversion. >> the project is quite innovative. no one else is doing it yet. we hope that the production methods will allow coffee farmers to market their product as something unique, unlike any other coffee in the world. katja: coffee is relatively expensive in costa rica because of high wages and the fact that the country promotes quality instead of quantity. the coffee may be more expensive, but its quality is ensured by the national coffee institute, icafe, which has been working to improve it further and make it more climate friendly. it's a highly scientific process. for example, farmers send samples of ailing plants to the institute, where scientists look for efficient treatments, such as more ecologically sound f