Hannah joined us in 2017. She became Deputy Editor and Science Outreach Lead at Our World in Data in 2023. She was previously Head of Research.She focuses on the long-term changes in the environment – energy, pollution, agriculture, food supply – and their compatibility with global development. Hannah completed her Ph.D. in GeoSciences at the University of Edinburgh.She is a researcher at the Oxford Martin Programme in Global Development, and an honorary fellow at the University of Edinbu...| Our World in Data
Demand is set to triple by 2050. Can it be met in an energy-efficient way?| Our World in Data
All the visualizations, data, and articles produced by Our World in Data are free for you to take and use — no permission required. You just need to provide credit to Our World in Data. This part of our work is licensed under a very permissive ‘Creative Commons’ (CC) license: the CC-BY license (the BY stands for ‘by attribution’).| Our World in Data
The world will need to adapt to increased temperatures. What can societies do to save lives?| Our World in Data
Cold deaths vastly outnumber heat-related ones, but mostly due to “moderate” rather than extremely cold conditions.| Our World in Data
Climate change will have very unequal impacts, with fewer deaths at higher latitudes but increased heatwave deaths across the tropics.| Our World in Data