The '4BsHive' is a transnational project between four river cities: Bristol (UK), Berlin (Germany), Budapest (Hungary) and Bistrita (Romania). The project will set in motion a collaborative, green map-making process within and between these four European partners. This will involve the creation of online and possibly paper maps charting local resources for more sustainable living. These thematic maps will use the internationally standardized Green Map System (GMS) of icons (http://www.greenmap.org).Local adult learners will be recruited (partly from disadvantaged and under-represented social groups including older people and those without basic qualifications). Participants will have the opportunity to gain new ICT skills and learn more about sustainability issues locally and internationally. They will be able to exchange experiences and learn about other European communities. This will be achieved through a participatory process that is creative, enjoyable and enhances confidence. The process may include storytelling, photography and film-making through group and public events.A shared online space will form the hub of the project to facilitate the exchange of learning and experience. The project will be promoted internationally through the Green Map System. The online format and documentation will be disseminated in an easily accessible and replicable digital form.