1. Global Warming Causes&Effects

2. Natural cause Greenhouse gas

3. Man-made causes Pollution

4. Population

5. Agriculture

6. Effects on weather Increase in precipitations Heating of the polar region

7. Extreme weather More areas will be affected by drought Increase in tropical cyclone activity Rise of sea level

8. Increased freshwater flow Floods Increase in global ocean evaporation

9. Local climate change Rise of temperature Change in ocean currents or in weather system Change of the hydrological cycle

10. Glacier retreat and disappearance Rise of sea level Less water availability for human consumption Reductions in glacier extent and thickness

11. Oceans Increase in ocean acidification Changes in ocean circulation Heating of the ocean surface