“…Total = 10 articles (Arnold, 2017;Ayuso et al, 2006Ayuso et al, , 2011Berkowitz, 2018;Dewberry and Sherwin, 2002;Dossa and Kaeufer, 2014;Flores et al, 2009;Gasbarro et al, 2018;Kennedy et al, 2017;Klewitz, 2017;Leising et al, 2018;Matos and Hall, 2007;Przychodzen et al, 2016;Rossignoli and Lionzo, 2018;Szekely and Strebel, 2013;Wagner, 2011). Total = 16 articles (Ceschin, 2014;Ely et al, 2013;Evans et al, 2007;Halbe et al, 2015;Laukkanen and Patala, 2014;Leach et al, 2012;Monaghan, 2009;Partidário et al, 2007;Partzsch, 2017;Prendeville et al, 2017;Seyfang and Longhurst, 2016;Steiner, 2008). As for future research in this field, we propose six research areas that seem promising.…”