Costa Rica

http://www.state.gov/r/pa/ei/bgn/2019.htm

http://www.visitcostarica.com/

http://www.infocostarica.com/

Sostenibilidad
 
http://www.epa.gov/ems/

EPA Website on Climate Change

Current Trends in Greenhouse Gas Emissions

National Geographic on "Going Green" in Society, School, Work, and Home

Metro Facts on Waste Production and Reduction