Author Contact

I am currently a researcher of the Oxford Martin School (University of Oxford) work on the online web publication OurWorldInData. Our World in Data is an online web publication (founded by economist, Max Roser) with an aim to provide a global overview of how the world is changing through research and interactive data visualisations. There my research focuses on the topics of food, energy, environment, technology and health (although there is continual overlap and collaboration with all elements of the publication including poverty, inequality, education, amongst others). There you will find many (and much more frequent) posts on the topics covered here.

I am also currently pursuing a PhD at the University of Edinburgh (School of Geosciences) on “Meeting global protein demand through sustainable protein pathways”. Related to this work, I have also been offered a fellowship on the NEWS-UK (UK-India Virtual Joint Centres in Agricultural Nitrogen) programme. This project is focused on working towards food security through sustainable nitrogen/fertilizer management.

yqcdQhHxAlongisde these academic/teaching roles, I am also Sustainability and Business Development Manager for 3fbio– a biotechnology start-up focused on novel integrated production of food, fuel and animal feed from sustainable feedstocks.


Ritchie, H., Reay, D., Higgins, P (2018). The impact of global dietary guidelines on climate change. Global Environmental Change. 49, 46-55 (2018). doi: 10.1016/j.gloenvcha.2018.02.005

Ritchie, H., Reay, D. S., & Higgins, P. (2018). Beyond calories: a holistic assessment of the global food system. Frontiers in Sustainable Food Systems2, 57.

Ritchie, H., Reay, D., & Higgins, P. (2018). Sustainable food security in India—Domestic production and macronutrient availability. PLoS One, 13(3), e0193766. doi: 10.1371/journal.pone.0193766

Ritchie, H., Reay, D. S., & Higgins, P. (2018). Quantifying, Projecting and Addressing India’s Hidden Hunger. Frontiers in Sustainable Food Systems, 2, 11. doi: 10.3389/fsufs.2018.00011

Ritchie, H., Reay, D. S., & Higgins, P. (2018). Potential of meat substitutes for climate change mitigation and improved human health in high-income markets. Frontiers in Sustainable Food Systems, 2, 16. doi: 10.3389/fsufs.2018.00016

Ritchie, H., Laird, J. & Ritchie, D. 3f bio: Halving the Cost of Mycoprotein Through Integrated Fermentation Processes. Industrial Biotechnology. 13, 29–31 (2017).

Ritchie, H. & Reay, D.S. (2016): Delivering the two degree global climate change target using a flexible ratchet framework, Climate Policy, doi: 10.1080/14693062.2016.1222260

Previous education:

  • MSc Carbon Management (University of Edinburgh)- Distinction
  • 1st Class Honours Degree in Environmental Geoscience (University of Edinburgh)

I always welcome any feedback or thoughts on any of the topics covered here. Feel free to get in touch through any of the avenues listed below.


Twitter: @HannahRitchie02

LinkedIn: Hannah Ritchie


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