This workshop comprises part of the four-year (1985-1988) non-nuclear energy R & D programme for the development of renewable energy sources which is being implemented by the Commission of the European Communities. The aim of the workshop was to present work by the contracting laboratories in addition to work by numerous other research laboratories

Preface. Presentations by EC Contractors. Photochemistry. Photoelectrochemistry. Photobiology. List of participants.