Import the food chains data from James Bulmer (https://github.com/hard-work-aunts/james-bulmer) 'Raw Data' and export the dataset as csv and geojson. Make some density plots, visualize the data in a map http://www.covimo.de/hwa/
- Check that the raw data matches the expected structure
- Add population data
- The map based on this code https://github.com/domoritz/watermap