More information about Barcelona environmental performance available at:

• Agenda 21 home page (catalan)
  http://www.bcn.cat/agenda21
  
• Scholarship Agenda 21 (catalan)
  http://www.bcn.cat/agenda21/A21_ESCOLAR.htm
  
• Green Office Guide
  http://www.bcn.cat/agenda21/A21_text/guies/GreenOfficeGuide.pdf
  
• Environmental background information
  http://www.bcn.cat/mediambient/eng/welcome.htm
  
• General information about the city
  http://www.bcn.cat/english/ihome.htm
  
• Barcelona Energy Agency
  http://www.barcelonaenergia.com/
  
• Sustainable Barcelona Ressources Centre (catalan)
  http://www.bcn.cat/agenda21/crbs/