“…In Indonesia and Malaysia, this expansion has largely happened on forest land and peatland, leading to severe environmental effects such as deforestation, loss in biodiversity, increased greenhouse gas emissions, and haze pollution (Anggraini & Grundmann, 2013; Austin et al., 2017; Fitzherbert et al., 2008; Goldstein, 2016; Khatun, Reza, Moniruzzaman, & Yaakob, 2017; Koh & Wilcove, 2007, 2008; McCarthy & Zen, 2010; Pirker, Mosnier, Kraxner, Havlik, & Obersteiner, 2016; Prabowo, Maryudi, Senawi, & Imron, 2017; Setiawan, Maryudi, Purwanto, & Lele, 2016; Sumarga, Hein, Hooijer, & Vernimmen, 2016; Varkkey, 2012). These developments have promoted demands for more sustainable oil palm production, and as a result, certification schemes focusing on sustainability have surged (Padfield et al., 2016; Pirker et al., 2016; Richardson, 2015; Ruysschaert & Salles, 2016; Wijaya & Glasbergen, 2016).…”