Serena Heckler received her Ph.D. in ethnobotany, environmental anthropology and sustainable development from Cornell University and is a research fellow at Durham University. She has lived and worked with the Wõthihã of the Venezuelan Amazon, studying the ways in which the market economy and demographic change have affected their environmental knowledge. She is currently undertaking participatory research on similar themes with the Shuar of Ecuador, in collaboration with the Intercultural University of Indigenous Peoples and Nations-Amawtay Wasi based in Quito, Ecuador.