“…Moreover, many of Power's observations, on environmental audit, in particular, were made in the 1980s and 1990s context in which non-financial audit practices evolved in an entirely different manner to how sustainability assurance has advanced. Hence, future work could seek to further develop the ideas presented in this paper (and in Power's original ideas) in new and unique non-financial audit contexts (see Andon et al, 2015, Jeacle, 2017. Future researchers should also remain open, as we have done, to the possibility that preconceived views, assumptions, concepts and framings can be questioned using in-depth case-based evidence.…”