In 1985, 57 percent of the Indonesian island of Sumatra, or 25 million hectares (ha), was covered by natural forest. By 2016, that number decreased to 11 million ha, equaling to a 56 percent loss of the island's forest cover.
Tesso Nilo National Park ((TNNP)), located in the Sumatran province of Riau, has lost 77 percent of its forest cover since being inaugurated in 2004. In 2016, Forbes reported that the lack of traceability remains a problem for corporations that have made a zero-deforestation commitment. In 2017, WWF Indonesia reported that a total of