He is also an elected Fellow of the Academy of Sciences Malaysia. His work spans areas such as green economy, environmental policy, natural resources governance and sustainable development strategy. In 2015, the United Nations Environment selected him as a Member of the prestigious International Resource Panel (IRP), a global expert body that focuses on strategic issues of resource scarcity, efficiency and decoupling. He has also consulted for governments and international organisations such as UNDP, UNICEF, UNESCAP and UNRISD. His book The Sustainability Shift: Refashioning Malaysia's Future was published in 2016.