kayadata is a package for working with Kaya identity data for many countries and regions.
The Kaya identity, named for the economist Yoichi Kaya, who introduced it (Kaya, 1998); It decomposes the energy-related carbon dioxide emissions from a nation, region, or the world into the product of four components:
F = P * g * e * f
where F is the total emissions, P is the population, g is the per-capita GDP, e is the energy intensity of the economy, and f is the emissions-intensity of the energy supply. (Nakicenovic and Swart, 2000, Ch. 3, p. 105; Raupach et al, 2007)
The data in this packages covers 1960-2017 for population and GDP, and 1965-2017 for energy and fossil-fuel CO2 emissions.
The package uses data on population and GDP from the World Bank,
using market exchange rates (MER) for GDP because those data go back to
1960. From 1990 onward, Purchasing-Power-Parity (PPP) GDP figures are
G_ppp but using these would require re-calculating
ef in the
The package uses data on energy consumption and fossil-fuel CO2 emissions from the 2018 BP Statistical Review of World Energy
The kayadata package is open source licensed under the MIT License.
kayadata issue tracker (https://github.com/jonathan-g/kayadata/issues)
Kaya, Yoichi and Keiichi Yokobori, _Environment, Energy, and Economy: Strategies for Sustainability_ (United Nations University Press, 1998).
Nakicenovic, Nebojsa, and Rob Swart (Eds.), Special Report on Emissions Scenarios (Cambridge University Press, 2000). <https://www.ipcc.ch/report/emissions-scenarios/>
Raupach, Michael R., et al., "Global and regional drivers of accelerating CO2 emissions," PNAS 104, 10288–10293 (2007) doi: 10.1073/pnas.0700609104.
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