Dr Hannah Ritchie is Deputy Editor and Science Outreach Lead at Our World in Data. She focuses on the long-term development of food supply, agriculture, energy, and environment and their compatibility with global development.

Hannah holds a BSc in Environmental Geoscience, an MSc in Carbon Management, and a PhD in GeoSciences from the University of Edinburgh.

Hannah’s research focuses on the assessment of global food systems and their capacity to address malnutrition and environmental sustainability simultaneously. She also publishes on the global energy system, climate change, biodiversity, and global health.

At the University of Edinburgh she was also a lecturer in Sustainability, Society and Environment, and worked on the development of teaching programmes directed towards interdisciplinary approaches to sustainability. She has worked on a number of sustainability consulting and industry-led projects.