Jeffrey Sachs is an American economist, who currently runs the Center for Sustainable Development at Columbia University. He is also the President of the UN Sustainable Development Solutions Network and, from 2001 to 2018, served as Special Advisor to multiple UN Secretaries-General. Sachs is the author of numerous books, including The End of Poverty (2005), Common Wealth: Economics for a Crowded Planet (2008), The Price of Civilization (2011), and, most recently, The Ages of Globalization (2020). In this lightly edited interview, we discussed the U.S.-China economic relationship, the potential for future collaboration on environmental goals, and the recent EU-China investment deal.  Jeffrey Sachs.Illustration by Lauren Crow Q: You have repeatedly argued that escalating geopolitical conflict with China is a mistake. Why do you think that’s the case? A: We have enough conflicts in the world without having to manufacture another one. We urgently need cooperation in this w