International Green Roof Association

The International Green Roof Association (IGRA) is a global network, for the promotion and dissemination of information on Green Roof topics and Green Roof technology. Due to the status as multi-national, non-profit organisation, IGRA offers the platform and infrastructure for independent "pro Green Roof" lobby work with political decision makers and investors. IGRA members are national Green Roof organisations, Green Roof research institutes and Green Roof companies.