He is the author of “Fire and Ice: Soot, Solidarity and Survival on the Roof of the World,” a nonfiction narrative published by St. Martin’s Press in 2015 about black carbon pollution, its health and climate impacts around the world, and promising solutions for addressing it. He has worked as a consultant for the World Health Organization on household energy and air pollution, and as a researcher on social enterprise at Harvard Business School. He is a former Middlebury Fellow in Environmental Journalism. He is a graduate of Dartmouth College, and holds an M.Sc. degree from the Energy and Resources Group at the University of California Berkeley.