Version Description
1.0-1.5 Experimental versions
1.6 Cost-benefit analysis; cost-effectiveness analysis
1.7 As 1.6,with methane emission reduction
1.8 As 1.6, with alternative forms of discounting
1.9 As 1.6, with alternative social welfare functions
2.0 Updated impactmodule; coalition formation
2.1 Limited international trade and investment, alternative social welfare functions
2.2 Extended time horizon; thermohaline circulation
2.3 Endogenous technological change
2.4 Extended impact module, development aid
2.5 16 instead of 9 regions, coalition formation
2.6 Health-wealth feedbacks
2.7 Methane and nitrous oxide emission reduction
2.8 Diarrhoea, extension to 2300
2.8n Impacts only; 207 countries
2.9 Updated climate module
2.9b Added SF6
2.9c Dynamic biosphere
2.9d Updated radiative code
3.0 New software
3.1 Fixing bugs
3.2 All bugs fixed
3.3 Updated ecosystem impacts
3.4 Extratropical storms
3.5 Terrestrial biosphere
3.6  
3.7  
3.8 Indirect CH4 rf effect, update perturbation lifetimes
3.9 SO2 forcing exogenous, update initial CO2 conc, update climate calibration
3.10 Migrate to Julia
3.11 Convert to Julia package