How many people does synthetic fertilizer feed? - Our World in Data
Research and data to make progress against the world’s largest problems| Our World in Data
Research and data to make progress against the world’s largest problems| Our World in Data
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
Wild mammal biomass has declined by 85% since the rise of humans. But we can turn things around by reducing the amount of land we use for agriculture.| 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
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Explore the diversity of wildlife across the planet. What are species threatened with? What can we do to prevent biodiversity loss?| Our World in Data
