Smog covers trees during a forest fire next to a palm plantation in Palangka Raya, Central Kalimantan province, Indonesia, September 14, 2019. Picture taken Septemnber 14, 2019. The palm oil industry was responsible for at least 39% of forest loss in biodiversity-rich Borneo island between 2000 and 2018, data from an Indonesia-based research firm shows. REUTERS/Willy Kurniawan

Trees and peatland are pictured during a fire in Palangka Raya, Central Kalimantan province, Indonesia, September 17, 2019. e Center for International Forestry Research (CIFOR) data, published this month via its Borneo Atlas tool, comes as a smoky haze has spread across Southeast Asia from fires in Borneo and others parts of Indonesia, causing a drop in air quality to unhealthy levels in neighbouring Singapore and Malaysia. REUTERS/Willy Kurniawan

Firefighters try to extinguish forest fires at Sebangau National Park area in Palangka Raya, Central Kalimantan province, Indonesia, September 14, 2019. Some palm oil farmers have been accused of using slash-and-burn methods to clear land for planting. The palm oil industry has long been blamed for encroaching on rainforests in Borneo, endangering wildlife such as orangutans and pygmy elephants. REUTERS/Willy Kurniawan

Smog covers a forest during fires in Pulang Pisau regency near Palangka Raya, Indonesia, September 19, 2019. Borneo, shared by Brunei and top palm oil producers Indonesia and Malaysia, has lost 6.3 million hectares of forest cover between 2000 and 2018, the CIFOR data showed. Palm oil companies accounted for about 2.4 million hectares of the loss while pulpwood firm accounted for 461,319 hectares. REUTERS/Willy Kurniawan

Smog covers trees during a forest fire in Palangka Raya, Central Kalimantan province, Indonesia, September 14, 2019. Palm oil was responsible for 35% of forest loss in the Indonesian part of Borneo, and 46% in the Malaysian side. Indonesia and Malaysia produce about 85% of the world's palm oil, which is used in everything from soaps, lipstick to pizza and biodiesel. REUTERS/Willy Kurniawan

A man fishes as smog covers the Kahayan river in Palangka Raya, Central Kalimantan province, Indonesia, September 17, 2019. CIFOR determined the amount of deforestation caused by companies by calculating the area of forest cleared and converted to industrial plantations within the same year. The data does not include plantations of small holder farmers - who account for 40% of palm oil production globally according to industry estimates. As of 2018, total oil palm planted area was about 5.8 million hectares in the country. REUTERS/Willy Kurniawan