title: Viewpoint--Natural GreenSpace.
authors.forename: William
authors.initials: W
authors.lastname: Bird
mesh_terms: D003247:Conservation of Natural Resources; D004779:Environment Design; D015444:Exercise / Q000502:physiology / Q000523:psychology; D006293:Health Promotion; D006801:Humans; D009765:Obesity / Q000517:prevention & control*; D014504:Urban Health