ENVIRONMENTAL PROTECTION AGENCY STRATEGY FOR REDUCING HEALTH RISKS IN URBAN AREAS
CHAPTER ONE INTRODUCTION 1.1 Background of Study Today, there is no doubt that the world has increasingly become urban and the 20 century witnessed rapid and unprecedented urbanization of the world's population. The global urban population increased from 13% in 1900 to 29% in 1950, 49% in 2005 and it is estimated that by 2030, 60% of the population will live in the cities. This trend is a reflection of ...
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