The European Commission, DG XII, has published a report on "The effects of environmental UV-B radiation on health and ecosystems". It provides an overview of the research being implemented on environmental UV radiation effects in the broader context of the Environment programme. In particular, the report describes 12 shared-cost action projects on the impacts of UV-B radiation on health, and aquatic and terrestrial ecosystems. The projects involve scientific institutes in EU and EFTA member states as well as institutes from Central and Eastern Europe. For each of the current contracts in the programme, the report contains a brief description of the project, as well as its objectives, details of the relevant scientific coordinator, partners and institutions involved. The project dates and a brief synopsis of the results to date are also included.