Books and websites:

• Chart.js official documentation and samples: https://www.chartjs.org/docs/latest/
• PieceLabel plugin (Chart.PieceLabel.js) https://github.com/emn178/Chart.PieceLabel.js

Data sources:

• Mauna Loa CO2 measurements: Chapter04/Data/co2_mm_mlo.csv. Dr. Pieter Tans, NOAA/ESRL (www.esrl.noaa.gov/gmd/ccgg/trends/) and Dr. Ralph Keeling, Scripps Institution of Oceanography (scrippsco2.ucsd.edu/).
• Ocean temperatures: Chapter04/Data/monthly_json.json. GISTEMP Team, 2019: GISS Surface Temperature Analysis (GISTEMP). NASA Goddard Institute for Space Studies. Dataset accessed 2019-02-01 at https://data.giss.nasa.gov/gistemp/. Hansen, J., R. Ruedy, M. Sato, and K. Lo, 2010: Global surface temperature change, Rev. Geophys., 48, RG4004, doi:10.1029/2010RG000345.
• Geographical database: Chapter02/Data/cities1000.csv. GeoNames geographical database: www.geonames.org.
• CO2 emissions per country in kilotons (1960-2014): Chapter04/world_bank_co2_kt.json. World bank public data. https://data.worldbank.org
• World population: Chapter04/WPP2017_UN.csv. United Nations World Population Prospects 2017. https://www.un.org