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Licenses: All visualizations, data and articles produced by Our World in Data are open access under the Creative Commons BY license. You have permission to use, distribute and reproduce them in any medium, as long as the source and authors are credited. All software and code we write is open source and available through GitHub […]

Biodiversity: our world in data

WWF (2022) Living Planet Report 2022 – Building a nature-positive society. Almond, REA, Grooten, M., Juffe Bignoli, D. and Petersen, T. (Eds). WWF, Gland, Switzerland. Leung, B., Hargreaves, AL, Greenberg, DA, McGill, B., Dornelas, M., & Freeman, R. (2020). Global Vertebrate Decline Versus Catastrophic. Nature, 588(7837), 267-271. WWF (2022) Living Planet Report 2022 – Building […]

Artificial intelligence: our world in data

Artificial intelligence (AI) systems are already having a huge impact on our lives: they are increasingly shaping what we see, what we believe and what we do. Based on the ongoing advances in AI technology and recent large increases in investment, we should expect AI technology to become even more powerful and impactful in the […]

Environmental impacts of food production

Poore, J. and Nemecek, T. (2018). Reduce the environmental impact of food through producers and consumers. Science, 360(6392), 987-992. FAO (2011). The State of the World’s Land and Water Resources for Food and Agriculture (SOLAW) – Managing Systems at Risk. Food and Agriculture Organization of the United Nations, Rome and Earthscan, London. Poore, J. and […]

Data Update: We have just updated all of our global CO₂ emissions data

Friedlingstein, P, O’Sullivan, M, Jones, MW, Andrew, RM, Gregor, L, Hauck, J, Le Quéré, C, Luijkx, IT, Olsen, A, Peters, GP, Peters, W., Pongratz, J., Schwingshackl, C., Sitch, S., Canadell, JG, Ciais, P., Jackson, RB, Alin, SR, Alkama, R., Arneth, A., Arora, VK, . Bates , NR , Becker , M , Bellouin , N […]

Global Health Data Explorer: Our World in Data

Why do different sources disagree on numbers for the same metric? Collecting accurate data on global health is difficult: we will never know exactly which diseases or injuries are affecting people around the world at any given time. In the absence of perfect data, health researchers have several ways to try to estimate the burden […]