Arunima Malik is an academic at the University of Sydney. She has expertise in undertaking Big-Data modelling of sustainability performance of products, processes, and organisations, and to quantify sustainability impacts at local, national, and global scales. She has carried out a range of sustainability supply-chain assessments of healthcare products, biofuel production, construction materials, global energy use, global nitrogen and greenhouse gas emissions, and tourism. Her research is interdisciplinary and focusses on the appraisal of social, economic, and environmental impacts using input–output analysis. She works closely with the United Nations Sustainable Development Solutions Network for undertaking assessments for quantifying spillover effects in international supply chains. She is also a lead author for the Working Group III of the Intergovernmental Panel on Climate Change (IPCC) Sixth Assessment Report.