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spec: In addition , Mahlstedt is concentrating on environmental / energy saving issues and accessibility on campus for people with disabilities , and Cummings is concerned with expanded use of the new taxi service and increased student involvement in recruiting a diverse student body . It argues that new research needs to focus on the link between reported community gardening benefits , the ' micro ' level of community garden interaction and the social and cultural milieu , which impacts on community garden groups and their development .