Table 1. Main assumptions and results in the model about drivers of ecosystem change in each scenario.


Global Orchestration
Technogarden
Order from
Strength
Adapting Mosaic
World population
(billions)
Lowest

2000: 6.1
2050: 8.2
2100: 6.9

Medium

2000: 6.1
2050: 8.9
2100: 8.7

Highest

2000: 6.1
2050: 9.7
2100: 10.6

High

2000: 6.1
2050: 9.6
2100: 9.9

Income
(average annual GDP
pc growth rate: 2000–2100)
Highest (2.5%)
High (2.3%)
Low (1.2%)
Medium (1.8%)
Global GHG emissions (GtC-eq)
High

2000: 9.8
2050: 25.6
2100: 19.5

Low

2000: 9.8
2050: 7.1
2100: 5.5

High

2000: 9.8
2050: 20.3
2100: 25.2

Medium

2000: 9.8
2050: 18.0
2100: 16.0

Global average mean temperature increase (ºC)
High

2000: 0.6
2050: 2.0
2100: 3.5

Low

2000: 0.6
2050: 1.5
2100: 1.9

High

2000: 0.6
2050: 1.7
2100: 3.3

Medium

2000: 0.6
2050: 1.9
2100: 3.0

Per capita food consumption
High
High
Low
Low
Agricultural Yield
change
High
Medium-high
Low
Medium