The breadth of scientific and technological interests in the general topic of photochemistry is truly enormous and includes, for example, such diverse areas as microelectronics, atmospheric chemistry, organic synthesis, non-conventional photoimaging, photosynthesis, solar energy conversion, polymer technologies, and spectroscopy. This Specialist Periodical Report on Photochemistry aims to provide an annual review of photo-induced processes that have relevance to the above wide-ranging academic and commercial disciplines, and interests in chemistry, physics, biology and technology. In order to provide easy access to this vast and varied literature, each volume of Photochemistry comprises sections concerned with photophysical processes in condensed phases, organic aspects which are sub-divided by chromophore type, polymer photochemistry, and photochemical aspects of solar energy conversion. Volume 34 covers literature published from July 2001 to June 2002. Specialist Periodical Reports provide systematic and detailed review coverage in major areas of chemical research. Compiled by teams of leading authorities in the relevant subject areas, the series creates a unique service for the active research chemist, with regular, in-depth accounts of progress in particular fields of chemistry. Subject coverage within different volumes of a given title is similar and publication is on an annual or biennial basis.

Creative Spaces: Urban Culture and Marginality is an interdisciplinary exploration of the different ways in which marginal urban spaces have become privileged locations for creativity in Latin America. The essays within the collection reassess dominant theoretical notions of `marginality' in the region and argue that, in contemporary society, it invariably allows for (if not leads to) the production of the new. While Latin American cities have, since their foundation, always included marginal spaces (due, for example, to the segregation of indigenous groups), the massive expansion of informal housing constructed on occupied land in the second half of the twentieth century have brought them into the collective imaginary like never before. Originally viewed as spaces of deprivation, violence, and dangerous alterity, the urban margins were later romanticized as spaces of opportunity and popular empowerment. Instead, this volume analyses the production of new art forms, political organizations and subjectivities emerging from the urban margins in Latin America, neither condemning nor idealizing the effects they produce. To account for the complex nature of contemporary urban marginality, the volume draws on research from a wide spectrum of disciplines, ranging from cultural and urban studies to architecture and sociology. Thus the collection analyzes how these different conceptions of marginal spaces work together and contribute to the imagined and material reality of the wider city.