The prime role of ASEN is to co-ordinate communication between campus environment groups in order to facilitate collective effort across a range of campaigns and projects. As of February 1998, there were approximately fifty university groups participating in the network, with these member groups being drawn from every state and territory in Australia.
Membership is open to all student, tertiary and other, environment or social justice groups.
The current secretariat is the National Union of Students Environment Department. Maintenance of the ASEN Database including full contact details and other information relating to each active campus group. Provision of a Referral Service, so that campus groups in need of information, advice or solidarity can utilise one initial contact point. In addition, this referral service is offered to community and government environment organisations seeking student assistance with their campaigns.