 He allegedly surprised supporters when information was uncovered that, on 25 August 2011, he had quietly granted a concession to palm oil supplier PT Kallista Alam which authorised the destruction of a peat swamp forest that is one of the last refuges of the critically endangered Sumatran orangutan.Some of the indigenous peoples took the about-face from the so-called 'Green Governor' personally, calling it a betrayal of their homeland and of his previous environmental credentials.On a legal level, though, many environmental organisations argued that Irwandi's decision breached a presidential moratorium – part of an international deal to save Indonesia's forests – as well as legislation protecting a conservation area where the Tripa swamp is located.