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Kaya Identity Emissions Scenario Calculator — result sheet
Calculate an emissions scenario from population, GDP per person, energy intensity, and carbon intensity.
Inputs used
Results
Visual chart
Breakdown
Calculation steps
Returned data table
Formula and methodology
Formula: CO2=population×GDP per person×energy intensity×carbon intensity.
The four multiplicative drivers remain visible so a scenario can be changed one factor at a time.
This result follows the calculator's declared inputs, precision, validation boundaries, and model limits.
Input contract
- Population — minimum 0; maximum 1000000000000
- GDP per person — minimum 0; maximum 1000000000
- Energy per GDP unit — minimum 0; maximum 1000000
- CO2 per energy unit — minimum 0; maximum 1000000
Worked example
| Input | Value |
|---|---|
| Population | 1000000 |
| GDP per person | 40000 |
| Energy per GDP unit | 0.1 |
| CO2 per energy unit | 0.4 |
Scenario emissions =1,600,000,000 CO2 units.
Assumptions and limits
- All factors use compatible units and describe the same period and population.
- The Kaya identity is used as an accounting decomposition, not a forecast.
- Economic measurement, rebound effects, land use, non-CO2 gases, and policy outcomes are not modeled.
Calculator note
Source and methodology
Use the official WorldCalculate methodology policy for the source, formula, precision, and boundary standards behind this calculator.
Planning estimate, not financial, medical, legal, or professional advice. © WorldCalculate — reuse with attribution. Built and curated by Hassan ALRowaie.
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