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
A collection of frequently asked questions (FAQs) and guidelines for reusing our work.| Our World in Data
In a nutshell GiveWell believes that distributing insecticide-treated nets (ITNs) is one of the most cost-effective programs that donors can support. We estimate that it costs approximately $3,000 to $8,000 to avert a death in locations where GiveWell supports campaigns. We think mass distribution of ITNs is cost-effective because:| GiveWell