ACR+
www.acrplus.org
Asobiocom
www.asobiocom.es
Assoc. Municipis recollida porta a porta
www.portaaporta.cat
Composta en red
www.compostaenred.org
Ellen Macarthur Foundation
www.ellenmacarthurfoundation.org
EURELCO
www.eurelco.org
European Compost Network
www.compostnetwork.info
Catalan strategie Residu Zero
estrategiaresiduzero.cat
Zero waste
www.med-zerowaste.eu