A recent opinion piece rekindled debate as to whether geography's current interdisciplinary make-up is a historical relic or an actual and potential source of intellectual vitality. Taking the latter position, we argue here for the benefits of sustained integration of physical and critical human geography. For reasons both political and pragmatic, we term this area of intermingled research and practice critical physical geography (CPG). CPG combines critical attention to power relations with deep knowledge of biophysical science or technology in the service of social and environmental transformation. We argue that whether practiced by individuals or teams, CPG research can improve the intellectual quality and expand the political relevance of both physical and critical human geography because it is increasingly impractical to separate analysis of natural and social systems: socio-biophysical landscapes are as much the product of unequal power relations, histories of colonialism, and racial and gender disparities as they are of hydrology, ecology, and climate change. Here, we review existing CPG work; discuss the primary benefits of critically engaged integrative research, teaching, and practice; and offer our collective thoughts on how to make CPG work.Keywords: physical geography, critical human geography, transdisciplinarity, anthropoceneIntervention en géographie physique critique Un article d'opinion paru récemment est à l'origine de la relance d'un débat qui pose la question à savoir si le fondement interdisciplinaire actuel de la géographie serait une relique historique ou une source réelle et potentielle de vitalité intellectuelle. En prenant la défense de la seconde position, nous militons en faveur des bénéfices découlant de l'intégration soutenue de la géographie physique et de la géographie humaine critique. Pour des raisons à la fois politiques et pragmatiques, nous avons nommé ce domaine de recherche et de pratique enchevêtré la géographie physique critique (GPC). C'est au service de la transformation sociale et environnementale que la GPC intègre un regard critique sur les relations de pouvoir à la connaissance profonde de la science ou de la technologie biophysique. Que se soient des individus ou des équipes qui la pratiquent, les travaux de recherche en GPC peuvent contribuer à l'amélioration de la qualité intellectuelle et à l'élargissement de la pertinence politique de la géographie humaine critique et géographie physique, compte tenu que la séparation de l'analyse des systèmes naturels et des systèmes sociaux pose des difficultés d'ordre pratique. À l'origine des paysages sociobiophysiques se trouvent autant les relations inégales de pouvoir, les histoires de colonialisme et les disparités raciales et entre les sexes que l'hydrologie, l'écologie et les changements climatiques. Dans cette partie de l'article, nous passons en revue les travaux actuels en GPC, nous engageons une discussion sur les principaux avantages des approches intégratives et véritablement critiques en recherche, dans l'ense...

Is GIS a tool or a science? The question is clearly important in the day-to-day operations of geography departments. Departments need to know if GIS is a tool that should be taught at the undergraduate level, or a science and thus a legitimate research specialty of faculty and graduate students. We summarize the debate on this question that was conducted on GIS-L electronic listserver in late 1993. In evaluating this discussion it became clear that GIS could be understood not by the two distinct positions taken by the GIS-L discussants but as three positions along a continuum ranging from tool to science. These positions attach several meanings to "doing GIS." These are (1) GIS as tool, i.e., the use of a particular class of software, associated hardware tools, and digital geographic data in order to advance some specific purpose; (2) GIS as toolmaking, i.e., the advancement of the tool's capabilities and facilities (ease of use); and (3) the science of GIS, i.e., the analysis of the fundamental issues raised by the use of GIS. Recognizing the importance of understanding what is meant by "doing science" as well as what is meant by "doing GIS," we conclude that only one of these positions-"the science of GIS"-is a sufficient condition for science. The "toolmaker" position is rarely able to meet the test of science; and the "GIS is a tool" position involves "doing science" only if it yields progress on some substantive problem. The debate is certainly problematic in light of the variety of perspectives on science and on GIS. The persistence of the issue suggests, however, that the GIS community should continue to work toward a resolution.

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Both telephone-based and f-to-f CBT showed improvements in depression, subjective burden, and assistance support in dementia AA CGs. Replication with a larger sample size (N = 106) is currently in progress. Study limitations and future directions for research are also addressed.

Social constructivists argue that what we call "nature" is far less universal and extrahuman than generally assumed. Yet this argument has been vigorously attacked by some natural scientists and other scholars due to what they perceive as its dangerous flirtation with relativism. I introduce this debate by reference to a recent controversy over the concept of wilderness, an important icon of nature in North America. I then define several forms of relativism, and compare two contemporary bodies of thought that are in broad agreement with social constructivism, yet do not promote strong forms of relativism: critical realism and pragmatism. For its part, critical realism is marked by a qualified, though vigorous, rejection of strong forms of relativism in understanding nature, whereas pragmatism involves more of an agnostic response, a sense that the so-called problem of relativism is not as serious as critics of the social-construction-of-nature argument would believe. Taken together, the two approaches offer more than either one alone, as they both suggest important truths about nature, albeit generally at different scales. Ultimately, pragmatists and critical realists alike admit that all knowledges are partial and a certain degree of relativism is thus unavoidable; yet they both, in a sort of tense complementarity, point to ways that geographers and others whose business and concern it is to represent nature can indeed have something to say.

Summary Geographers have become increasingly interested in questions of ethics. In this paper, I introduce the scope and major concerns of ethics, briefly reviewing recent literature as a means of situating geography's potential contribution. I then link ethics to the geographical imagination by developing a twofold schema representing geography's ontological project and epistemological process, an approach that unites existing professional and substantive ethical concerns among geographers. Examples of recent work by geographers in these areas are noted. I close with a set of broad questions at the interface of ethics and geography worthy of further reflection.

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Though religion appears to play a prominent role in the contemporary political and cultural landscape of the United States and elsewhere, relatively few geographers are contributing toward a better appreciation of this phenomenon. A 2001 review of the field countered earlier charges of incoherence by noting particular strengths in geographic research on religion, and more recent publications by geographers have appeared, but the overall picture has not yet matched the strong wave of media treatment and popular interest in religion. A basic question is whether religion really matters in the world today. This question has been addressed in a highly prominent recent debate over secularization theory, which raises important implications for the relevance of geography and suggests the need for both theoretical and empirical contributions. The articles in this theme section comprise the contributions of five geographers toward theorizing and studying religion. Our broad intent is to reinvigorate discourse among geographers on religion, and suggest the important contribution geographers can make to a vibrant and important scholarly conversation.