Impacts of global warming

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  • IMPACTS OF GLOBAL WARMING
    • PHYSICAL
        • More intense rainfall will cause flooding
          • Puts communities at risk
              • Famine
                • Vegetation zones will change, affecting yields of agricultural crops
                • Migrations will increase the potential for conflict
                  • Storm, fire, drought, coastal flooding
                  • 50 million people worldwide could be affected by rising sea levels and many will be displaced
                    • Will put pressures on countries where they flee to
                        • Vegetation zones will change, affecting yields of agricultural crops
                        • Decrease in crop yields in the south-east of UK
                        • Increased agricultural and public demand for water
                            • Famine
                              • Migrations will increase the potential for conflict
                                • Storm, fire, drought, coastal flooding
                                • 50 million people worldwide could be affected by rising sea levels and many will be displaced
                                  • Will put pressures on countries where they flee to
                                      • Decrease in crop yields in the south-east of UK
                                      • Increased agricultural and public demand for water
                                • Health risks
                                  • Diseases such as malaria will be more widespread as insects are able to survive in areas previously too cold
                                  • Increased risk of skin cancer
                                  • Heatsroke
                              • Health risks
                                • Diseases such as malaria will be more widespread as insects are able to survive in areas previously too cold
                                • Increased risk of skin cancer
                                • Heatsroke
                              • Water shortages
                • Water shortages
            • Cost of reparations will put pressure on economies
            • Rising sea levels
              • Desertification in Europe
                • UN CCD
                    • USA produces 25% of global emissions but is reluctant to commit to any targets
          • ENVIRON-MENTAL
              • Major species extinctions
              • Increase in soil aridity, soil desiccation, soil erosion and shrinkage of clay soils
              • Increase in insect species North as a result of northward migration
              • Small decrease in number of plant species due to the loss of northern and mountainous climates
          • ECONOMICAL
              • UK: Increase in timber yields (up to 25 per cent by 1950)
              • UK: Northward shift of farming zones by roughly 200-300 km/oC of warming or 50-80 km/decade will improve some forms of agriculture
              • UK: Enhanced potential for tourism and recreation as a result of increased temperatures
          • POLITICAL
              • USA produces 25% of global emissions but is reluctant to commit to any targets
              • 1992 Rio Earth Summit agreement reached to reduce carbon dioxide emissions to 1990 levels by 2000
              • 1997 Kyoto Protocol implemented commitments by developed nations to reduce  the emission of six main greenhouse gases to 5.2 per cent below 1990 levels over 2008-2012
                • Does not apply to developing nations
            • SOCIAL
              • Refugees from Africa as people move North in search of milder climate

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