l. Accidents

2. Crime 

5. GM food 

7. Obesity

2. Acid rain 

2. Cultural heritage 

5. Happiness

77. Over population

3. Addiction

28. Culture 

53. High rise buildings 7

8. Parenting4. Adoption 2

9. Culture shock 54. History 7

9. Personality5. Advertising 30. Diet 

55. Hobbies 80. Pets6. Aging 31.

 Disability 

56. Holiday 

81. Poverty7. Agriculture 32. Distance learning 57. Home schooling 82. Public transport18. Aids 33. Divorce 58. Homelessness 83. Recycling9. Air pollution 34. Doping 59. Housing 84. Satellites10. Animal testing 35. Education 60. Illiteracy 85. School disciplinel l. Art 36. Energy 61. Industrial relations 86. Smoking12. Astrology 37. Environment 62. (The) internet 87. Space exploration13. Automation 38. Fame 63. Jobs 88. Sport14. Brain drain 39. Family 64. Juvenile delinquency 89. Sporting events15. Bribery 40. Family ties 65. Language 90. Sportsmanship16. Charity

 41. Famine 66. La\V 91. Stress17. Child care 42. Fashion, clothing 67. Life expectancy 92. Success

18. Child labour 43. Fear 68. Marriage 93. Tourism19. Childhood 44. Festivals 69. Mass media 

94. Traffic20. Children's education 45. Field trips 70. Memory 95. TV21. City life 46. Film 71. Migration 

96. Unemployment22. Climate 47. Friendship 72. Modern life 97. Urban sprawl23. Computer games 

48. Generation gap 73. Music 98. Violence24. Computerisation 49. Global warming 

74. Natural disasters 99. Water pollution25. Country life 50. Globalisation 75. Noise pollution 100. Zoos