4. Four models were established depending on the economic, demographic and cultural will of people. These models were named A1, A2, B1, B2.
5. Once we know the different scenarios we can make predictions for: ·Greenhouse gases and aerosols. ·Temperature. ·Rainfall. ·Extreme events. ·Thermohaline circulation. ·The snow and ice and seascape. ·The sea level.
6.
7.
8.
9.
10.
11.
12.
13.
14. 2. Forecasts for precipitation is very likely to increase at higher latitudes quantitatively, decreasing in the subtropics
15.
16.
17.
18.
19.
20. 7.1. Systems and sectors: 1. Terrestrial Ecosystems 2. Coastal Ecosystems 3. Marine Ecosystems 4. Water resources 5. Agriculture 6. Coastal systems 7. Human Health 7.2. Regions: 1. The Arctic 2. Africa 3. Small islands