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Hannah Ritchie, Max Roser


6th, 7th, 8th, 9th, 10th, 11th, 12th, AP® / College


Science, Social Studies, Chemistry, Biology, Earth and Space Sciences, Geography, Mathematics

Resource Types

  • Interactive Media
  • Data

Regional Focus


Per Capita Nitrous Oxide Emissions

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  • This interactive map, graph, and table shows the annual per capita nitrous oxide emissions by country, measured in carbon dioxide equivalent emissions, starting in 1965.
  • Students can customize the graph, watch a time-lapse animation of emissions on the map, and sort or download the data from the table.
Teaching Tips


  • Students may choose to view datasets for various geographic locations and time periods.
  • Related research and data are linked.
  • The site explains how the data was collected.

Additional Prerequisites

  • Learners need to be familiar with the terms carbon dioxide equivalents and per capita.
  • Educators may need time to get familiar with this interactive media before assigning it.


  • This can be used in statistics and mathematics classes as a source of data for making graphs or data analysis or as a tool for interpreting graphs and data.
  • Science classes can use this information to support lessons about the nitrogen cycle, eutrophication, fertilizer use, greenhouse gas emissions, and solutions to climate change.
  • For social studies classes, this could be useful for creating awareness about one or more of the Sustainable Development Goals (SDGs).
Scientist Notes

This resource explores per capita N2O emissions aggregated from selected countries. Ideally, Global warming potentials for N2O was calculated within a period of 100 years was taken into account to get the sum of CO2 equivalent expressed in tonnes. This resource is recommended for teaching.

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