Lauren talks to Tania Li, Professor of Anthropology at the University of Toronto, about the sustainability of the oil that's in 50% of supermarket food products - and the issues with labour and land rights in Indonesia's palm oil industry.

Further reading: 

• Tania's books and other publications can be found on her website, taniali.org
•  Oil palm development in Thailand: economic, social and environmental considerations, by Jonas Dallinger
• Rainforest Alliance:  Our Response to the EU Regulation on Deforestation-Free Products 
• Chain Action Research:  EU Deforestation Regulation: Implications for the Palm Oil Industry and Its Financers 
• Chain Action Research:  Indonesian Moratoria: Loopholes, Lack of Sanctions Fail to Stop Palm Oil-Linked Deforestation 

Click here to read our investigation into the UK biomass supply chain, or watch a clip from the BBC Newsnight documentary.