Boas práticas:
Agenda 21 Barcelona:
http://www.bcn.es/agenda21/

A21 Italy:
http://www.agenda21.it

A21L Madrid:
http://www.madrid21comunidad.es

Agenda 21 Toulouse:
http://www.agenda21-toulouse.org

Agenda 21 Sant Boi de Llobregat:
http://www.stboi.es/agenda21/index.htm

Agenda 21 Locale Provincia di Cremona:
http://www.ecosistemi-srl.it/attivita.html

Bolton´s Agenda 21:
http://www.agenda-21.org.uk/home.html

Dital 21:
http://www.amde.pt

L´observatoire National du Développement Durable:
http://www.agenda21france.org/observatoire.html

Local Agenda 21 UK:
http://www.la21-uk.org.uk/

Lokale Agenda 21 Hannover:
http://www.agenda21.de

The Northern Alliance for Sustainability, ANPED:
http://www.anped.org/

Stafford Borough Local Agenda 21:
http://www.staffordbc.gov.uk/