1. Security
   1. Databases
   2. Wireless internet
   3. Computer
   4. Work
2. Social
   1. Unemployment
   2. Community/GRC
   3. Adoption of pets
   4. Ageing population
   5. Solution
      1. Media
         1. Social Networking
         2. Radio
         3. Newspaper
3. Environment
   1. Pollution
      1. Air
      2. Light
      3. Water
      4. Land
      5. Noise
   2. Natural Disaster
      1. Earthquakes
      2. Flooding
   3. Nuclear issues
   4. Resources Depletion
      1. Oil
      2. Rubber
   5. 3R
4. Health
   1. Awareness
      1. illness
         1. Cancer
      2. Disease
         1. STDs
         2. SARs
   2. Medial Report