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Int J Environ Health Res. 2005 Oct ;15 (5):319-37 16416750 (P,S,G,E,B)
Department of Biological Sciences, University of Essex, Colchester, UK. jpretty@essex.ac.uk
Both physical activity and exposure to nature are known separately to have positive effects on physical and mental health. We have investigated whether there is a synergistic benefit in adopting physical activities whilst being directly exposed to nature ('green exercise'). Five groups of 20 subjects were exposed to a sequence of 30 scenes projected on a wall whilst exercising on a treadmill. Four categories of scenes were tested: rural pleasant, rural unpleasant, urban pleasant and urban unpleasant. The control was running without exposure to images. Blood pressure and two psychological measures (self-esteem and mood) were measured before and after the intervention. There was a clear effect of both exercise and different scenes on blood pressure, self-esteem and mood. Exercise alone significantly reduced blood pressure, increased self-esteem, and had a positive significant effect on 4 of 6 mood measures. Both rural and urban pleasant scenes produced a significantly greater positive effect on self-esteem than the exercise-only control. This shows the synergistic effect of green exercise in both rural and urban environments. By contrast, both rural and urban unpleasant scenes reduced the positive effects of exercise on self-esteem. The rural unpleasant scenes had the most dramatic effect, depressing the beneficial effects of exercise on three different measures of mood. It appears that threats to the countryside depicted in rural unpleasant scenes have a greater negative effect on mood than already urban unpleasant scenes. We conclude that green exercise has important public and environmental health consequences.

Other papers by authors:

Ment Health Today. 2008 Jun ;:23-6 18663801 (P,S,G,E,B)
Centre for Environment and Society, University of Essex.
Trends Ecol Evol. 2009 Nov 13;: 19939492 (P,S,G,E,B,D)
Department of Zoology, Cambridge University, Downing Street Cambridge CB2 3EJ, UK.
Horizon scanning identifies emerging issues in a given field sufficiently early to conduct research to inform policy and practice. Our group of horizon scanners, including academics and researchers, convened to identify fifteen nascent issues that could affect the conservation of biological diversity. These include the impacts of and potential human responses to climate change, novel biological and digital technologies, novel pollutants and invasive species. We expect to repeat this process and collation annually.
J Environ Manage. 2009 Jan 29;: 19185970 (P,S,G,E,B,D)
Rural Sociology Group, Wageningen University, P.O. Box 8130, 6700 EW Wageningen, The Netherlands; Biological Farming Systems Group, Wageningen University, Marijkeweg 22, 6709 PG Wageningen, The Netherlands; Plant Production Systems Group, Wageningen University, P.O. Box 430, 6700 AK, Wageningen, The Netherlands.
Recent investigations have indicated that environmental and conservation policies frequently fail to reach anticipated aims, which raises concern over the cost-effectiveness of governmental policy-related expenditure. The limited effectiveness of policies is often attributed to methodological aspects of policy implementation. However, an alternative reason can be the limited internalization of policies, so that these are only implemented to a minimum level to attain benefits or avoid penalties. It is postulated that increased internalization of policies can considerably improve their effectiveness and that suitable institutional arrangements exist to support such increases in internalization. In this paper, we review the available literature on internalization and its institutional aspects, and propose a framework, based on self-determination theory, for evaluation of potential internalization by farm managers that are expected to implement policies. This method was applied to a small case study for dairy farmers in the nationally important landscape of the Northern Friesian Woodlands, The Netherlands. The results showed that organic farmers were internally motivated for nature conservation and had strong institutional links. They were more likely to internalize the goals of environmental policy schemes than conventional farmers who focused predominantly on financial rewards. We suggest that policy developers promote internalization of policies by tuning policy instruments to the specificities of farmers' motivations to preserve farmers' nature and to focus on institutional support to help internalization.
Environ Sci Technol. 2008 Feb 15;42 (4):1004-9 18351064 (P,S,G,E,B)
Department of Biological Sciences, University of Essex, Colchester CO4 3SQ, UK.
Accumulated knowledge about nature is an important part of people's capacityto manage and conserve the environment. But this ecological knowledge is now being increasingly lost. There have been few cross-cultural and quantitative studies to describe the phenomenon of its loss. Here we show a strong inverse correlation between ecological knowledge and income levels in and among India, Indonesia, and the U.K.(n=1095 interviews). Knowledge acquisition and subsequent saturation occurs at an early age in the most resource-dependent communities, but not in the U.K., where knowledge levels are low and acquisition is slow. Knowledge variance within communities increases in association with ecological knowledge decline and a scale of progressive knowledge loss was revealed with the most rapid rates of loss in industrialized regions. Various studies have described the mutually exclusive relationship between economic growth and environmental conservation; however this is the first to consider the association between economic growth and social capacity to manage the environment. Understanding ecological knowledge loss is importantto understanding the declining capacities of communities undergoing economic development to manage their natural resources and the future of ecosystem diversity in the light of current patterns of economic growth.
Ecol Appl. 2007 Sep ;17 (6):1742-51 17913137 (P,S,G,E,B) Cited:2
The value of accumulated ecological knowledge, termed ecoliteracy, is vital to both human and ecosystem health. Maintenance of this knowledge is essential for continued support of local conservation efforts and the capacity of communities to self- or co-manage their local resources sustainably. Most previous studies have been qualitative and small scale, documenting ecoliteracy in geographically isolated locations. In this study, we take a different approach, focusing on (1) the primary factors affecting individual levels of ecoliteracy,(2) whether these factors shift with economic development, and (3) if different knowledge protection strategies are required for the future. We compared non-resource-dependent communities in the United Kingdom with resource-dependent communities in India and Indonesia (n=1250 interviews). We found that UK residents with the highest levels of ecoliteracy visited the countryside frequently, lived and grew up in rural areas, and acquired their knowledge from informal word-of-mouth sources, such as parents and friends, rather than television and schooling. The ecoliteracy of resource-dependent community members, however, varied with wealth status and gender. The least wealthy families depended most on local resources for their livelihoods and had the highest levels of ecoliteracy. Gender roles affected both the level and content of an individual's ecoliteracy. The importance of reciprocal oral transfer of this knowledge in addition to direct experience to the maintenance of ecoliteracy was apparent at all sites. Lessons learned may contribute to new local resource management strategies for combined ecoliteracy conservation. Without novel policies, local community management capacity is likely to be depleted in the future.
Philos Trans R Soc Lond B Biol Sci. 2007 Sep 4;: 17785276 (P,S,G,E,B,D)
Philos Trans R Soc Lond B Biol Sci. 2007 Jul 25;: 17652074 (P,S,G,E,B,D) Cited:1
Jules Pretty
Concerns about sustainability in agricultural systems centre on the need to develop technologies and practices that do not have adverse effects on environmental goods and services, are accessible to and effective for farmers, and lead to improvements in food productivity. Despite great progress in agricultural productivity in the past half-century, with crop and livestock productivity strongly driven by increased use of fertilizers, irrigation water, agricultural machinery, pesticides and land, it would be over-optimistic to assume that these relationships will remain linear in the future. New approaches are needed that will integrate biological and ecological processes into food production, minimize the use of those non-renewable inputs that cause harm to the environment or to the health of farmers and consumers, make productive use of the knowledge and skills of farmers, so substituting human capital for costly external inputs, and make productive use of people's collective capacities to work together to solve common agricultural and natural resource problems, such as for pest, watershed, irrigation, forest and credit management. These principles help to build important capital assets for agricultural systems: natural; social; human; physical; and financial capital. Improving natural capital is a central aim, and dividends can come from making the best use of the genotypes of crops and animals and the ecological conditions under which they are grown or raised. Agricultural sustainability suggests a focus on both genotype improvements through the full range of modern biological approaches and improved understanding of the benefits of ecological and agronomic management, manipulation and redesign. The ecological management of agroecosystems that addresses energy flows, nutrient cycling, population-regulating mechanisms and system resilience can lead to the redesign of agriculture at a landscape scale. Sustainable agriculture outcomes can be positive for food productivity, reduced pesticide use and carbon balances. Significant challenges, however, remain to develop national and international policies to support the wider emergence of more sustainable forms of agricultural production across both industrialized and developing countries.
Philos Trans R Soc Lond B Biol Sci. 2007 Jul 25;: 17652068 (P,S,G,E,B,D)
Med Sci Sports Exerc. 2007 May ;39 (5 Suppl):S486 17528865 (P,S,G,E,B,D)
University of Essex, Colchester, United Kingdom. Email: dpmick@essex.ac.uk.
Conserv Biol. 2006 Aug ;20 (4):1325-1326 17129250 (P,S,G,E,B,D)
Jules Pretty
Department of Biological Sciences, University of Essex, Colchester CO4 3SQ, United Kingdom, email jpretty@essex.ac.uk.

Latest similar papers:

J Environ Health. 2009 Oct ;72 (3):29-33 19882989 (P,S,G,E,B)
Rebecca Berg
Emotion. 2009 Jun ;9 (3):406-18 19485618 (P,S,G,E,B,D)
Department of Psychology.
Individuals differ in the extent to which they emphasize feelings of pleasure or displeasure in their verbal reports of emotional experience, termed valence focus (VF). Two event-contingent, experience-sampling studies examined the relationship between VF and sensitivity to pleasant and unpleasant social cues. It was predicted, and found, that individuals with greater VF (i.e., who emphasized feelings of pleasure/displeasure in reports of emotional experience) demonstrated greater self-esteem lability (i.e., larger changes in self-esteem) to pleasant and unpleasant information contained in social interactions than did those lower in VF. These effects held even after statistically controlling for possible confounding variables (neuroticism, affect intensity). Implications for understanding the psychological impact of valenced interpersonal events are discussed.(PsycINFO Database Record (c) 2009 APA, all rights reserved).
Physiol Behav. 2009 Jan 18;: 19419685 (P,S,G,E,B,D) Cited:1
Institute of Motor Control and Movement Technique, Dept. of Exercise Neuroscience, German Sport University Cologne, Carl-Diem Weg 6, 50933 Köln, Germany.
An increasing number of studies within the recent years connected physical exercise with changes in brain cortical activity. Most of this data (1) refers to aerobic exercise and (2) does not correlate to psychological parameters although it is well known that exercise has a positive effect on mood. In times where health activities play a major role it is increasingly necessary to connect somato-physiological and somato-psychological components of physical activity. This study aimed to find changes in EEG activity and mood after low, preferred and high intensity running. EEG and actual state of mood were recorded before and after exercise. Results showed an effect for the preferred and high intensity velocity in both, EEG and mood. As only the higher frequency areas > 18Hz showed persisting decreases post exercise we concluded that this might be a sign of outlasting effects of exercise on brain cortical activity which may have influences on general well-being. We could also show that there is a clear relationship between EEG activity and mood reflecting a basic principle of cortical excitation.
Physiol Behav. 2009 Mar 23;96 (4-5):709-16 19385025 (P,S,G,E,B)
Institute of Motor Control and Movement Technique, Dept. of Exercise Neuroscience, German Sport University Cologne, Carl-Diem Weg 6, Köln 50933, Germany. schneider@dshs-koeln.de
An increasing number of studies within the recent years connected physical exercise with changes in brain cortical activity. Most of this data (1) refers to aerobic exercise and (2) does not correlate to psychological parameters although it is well known that exercise has a positive effect on mood. In times where health activities play a major role it is increasingly necessary to connect somato-physiological and somatopsychological components of physical activity. This study aimed to find changes in EEG activity and mood after low, preferred and high intensity running. EEG and actual state of mood were recorded before and after exercise. Results showed an effect for the preferred and high intensity velocity in both, EEG and mood. As only the higher frequency areas N18 Hz showed persisting decreases post-exercise we concluded that this might be a sign of outlasting effects of exercise on brain cortical activity which may have influences on general well-being. We could also show that there is a clear relationship between EEG activity and mood reflecting a basic principle of cortical excitation.
Am J Chin Med. 2008 ;36 (3):449-58 18543380 (P,S,G,E,B)
School of Health and Medical Sciences, Orebro University, SE-701 82 Orebro, Sweden. mattias.johansson@oru.se.
Qigong exercise has been shown to induce acute psychological changes of a positive nature; but whether longer durations have greater effects than shorter ones is not known. Forty-one regular qigong practitioners therefore engaged in either 30 or 60 min of qigong exercise within a randomized cross-over design. Measures of mood, anxiety, activation, and hedonic tone were obtained pre- and post-exercise. Results showed benefits of the same magnitude in the two conditions: more positive mood states, reduced state anxiety, and enhanced perceived pleasure. Thirty minutes of qigong exercise thereby seems to be sufficient to provide psychological benefits, and with no additional benefits detected after 60 min. This finding is important for those having little time or motivation to engage in activities of longer durations. In addition, health professionals prescribing exercise for health benefits can prescribe shorter exercise sessions with confidence knowing that positive psychological effects can also occur after a shorter exercise bout.
Acad Med. 2007 Dec ;82 (12):1196 18046126 (P,S,G,E,B,D)
Alicia Ostriker
Med Econ. 2007 Jul 6;84 (13):28 17847812 (P,S,G,E,B)
Lee J Johnson
J Environ Manage. 2007 Aug 31;: 17766028 (P,S,G,E,B,D)
The provision of green space is increasingly being perceived as an important factor for quality of life. However, green spaces often face high developmental pressure. The main objective of this study is to investigate a prospective approach to green space planning by combining three-dimensional (3D) visualization of green space scenarios and survey techniques to facilitate improved participation of the public. Aside from the 'Status quo', scenarios 'Agriculture','Recreation','Nature conservation' and 'Wind turbines' are visualized in three dimensions. In order to test responses, a survey was conducted both in print format and on the Internet. Overall, 49 different visualizations that belong to one of the scenarios were available in the survey and were rated according to the perceived esthetic, recreational and ecological values. The highest rated scenes include vegetation elements such as meadows with orchards, single trees, shrubs or forest. The least attractive scenes are those where buildings are highly dominant or where there are no vegetation elements. Based on the ratings for the individual images and on the corresponding scenarios, our study shows that there is high potential for improving the existing landscape. All suggested changes are either rated about equal to or considerably higher than the status quo, with the scenario 'Nature conservation' receiving the highest scores.
Perspect Psychiatr Care. 2007 Jul ;43 (3):158-9 17576313 (P,S,G,E,B,D)
Norman L Keltner
Med Sci Sports Exerc. 2007 May ;39 (5 Suppl):52 17529484 (P,S,G,E,B,D)
Joseph Jody Brooks
CDC, Atlanta, GA.
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