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Impact of computing (environmental (positive (reduce electricity usage…

- - - - lead, arsenic and Cadmium can leak into the soil over time
        
        rain water can wash it into rivers
        
        causes harm to animals/ plants/ people
    - - contributes to global warming because of the way it is produced (releases greenhouse gases e.g carbon dioxide)
    - - 3% of global energy usage
        
        estimated to treble in next decade
      - generate a lot of heat, energy needed to control
      - the buildings housing them require cement, copper cabling and other materials
      - machines are replaced before they need to be
        
        e-waste
  - - - reduce
        
        buy less electronics, throw less away
        
        don't replace something that doesn't need replacing/ still works
      - reuse
        
        sell your old electronics to someone rather than disposing of them
      - recycle
        
        break the item down into its base materials to reuse the components/materials
    - - computer controlled systems which regulate energy usage
      - solar panels reduce energy used that contributes to global warming
      - energy monitoring displays can help people know what is using power
      - LEDs use less energy
      - smart meters can help keep track of energy use