🌍 CO₂ Atmospheric Model
Interactive Climate Projection Calculator — adjust parameters to explore different futures
CO₂ Concentration Over Time
Historical data (pink) vs. model (blue)
Temperature Increase
— °F
🎯 Scenario Presets
Quick-load predefined parameter combinations
Run Model
Reset to Defaults
Baseline
Details
Green Rev.
Details
Tech Boom
Details
Pop Explosion
Details
Econ Collapse
Details
Climate Disaster
Details
Complex A
Details
Complex B
Details
🏭 Emissions Modeling
📈 Emission Drivers (Increase CO₂)
Children per family (global average)
Learn More
Total Fertility Rate (TFR)
Select country preset or adjust manually → automatically updates population growth
0.5
2.1 (replacement)
8.0
China
TFR: 1.1
India
TFR: 2.1
United States
TFR: 1.7
EU
TFR: 1.4
Indonesia
TFR: 2.2
Pakistan
TFR: 3.3
Ethiopia
TFR: 3.9
Niger
TFR: 6.7
Current TFR
2.10
Implied Population Growth
0.00% / year
Global GDP growth per capita per year
Economic growth drives increased energy use and emissions.
%
AI & technology energy demand growth per year
Data centers and new tech increase energy demand beyond trend.
%
🔧 Emission Reducers (Decrease CO₂)
Appliance efficiency improvements per year
Efficiency in buildings/industry reduces energy per unit output.
%
Decarbonization rate (solar & wind deployment)
Renewables replace fossil fuels, lowering emissions intensity.
%
Net Emissions Change Per Year
+0.0%
🌡️ Climate Modeling
Equilibrium Climate Sensitivity (ECS)
Set climate response in
°C per doubling
of CO₂ (logarithmic law).
3.0
Carbonic Fertilizer Effect
Enhanced biological uptake from higher CO₂.
50%
Carbonic Abiotic Effect
Enhanced abiotic CO₂ removal at higher concentrations.
8%
📉 Economic Downturn (optional)
Downturn start year
First year the shock applies to
human emissions
.
year
Downturn end year
Inclusive; after this year emissions resume baseline.
year
Downturn magnitude
Percent change applied within the window (e.g.,
-5
for −5%).
%
🌋 Geologic Shock (volcano) — one-time CO₂ addition
Shock year
Year of the volcanic/geologic event. Applies
once
in this year.
year
Shock size
One-time addition to
total atmospheric additions
in this year.
Gt CO₂
📉 Emissions Projections
🎯 Results
°C
°F
Ending concentration
—
• Concentration
—
ppm
Temperature increase (ending)
—
°F
Your result: —
Minimal
Manageable
Risky
Severe
Catastrophic