411 REFERENCE · Wiktionary
Kaya identity
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Etymology
Developed by Japanese energy economist Yoichi Kaya.
Proper noun
1
A mathematical identity that disaggregates the total emission level of the greenhouse gas carbon dioxide so that it can be expressed as the product of four calculable factors: human population, gross domestic product per capita, energy intensity (per unit of GDP), and carbon intensity (emissions per unit of energy consumed).
en eponyms