A Repeated Measures Experiment of Green Exercise to Improve Self-Esteem in UK School Children Reed, Katharine ; Wood, Carly ; Barton, Jo ; Pretty, Jules N. ; Cohen, Daniel ; Sandercock, Gavin R. H. Abstract Publication: PLoS ONE Pub Date: July 2013 DOI: 10.1371/journal.pone.0069176 Bibcode: 2013PLoSO...869176R