Untitled

        HUMAN ACTIVITIES             NATURAL FACTORS
      ------------------         ------------------
          (CAUSES)                    (CAUSES)
                                   
                                           
   burning fossil fuels (CO2)          solar radiation
                                             
  deforestation (less CO2 absorbed)       volcanic activity
                                             
    agriculture (methane)                ocean currents
                                           
           industrialization           earth's orbit
                                           
          transportation
                  
           (EFFECTS)
                 
            GLOBAL
            WARMING
                 
          (EFFECTS ON) 
                 
              HUMANS              ENVIRONMENT
              -------             -----------
        increased frequency    melting glaciers and ice caps 
          of natural disasters            
                              rising sea levels and coastal flooding
        water and food scarcity           
                                  changes in ecosystems
            health problems                
                             loss of biodiversity and habitat destruction 
       displacement of people              
                              changes in precipitation patterns 
         conflicts over resources           
                                    more frequent heatwaves 
                ...                        
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