This paper presents an assessment of the air quality for the principal cities in developed and developing countries. Part of the vast and widely dispersed information on air quality that is available at this time on the Internet was compiled, thus making possible a comprehensive evaluation of the tendencies that emerged at the end of the 20th century. Likewise, these values are compared to the ...

A LONG-STANDING BELIEF in development studies holds that, on the whole, living conditions in developing countries are superior for residents of large cities than for persons living in smaller cities, towns, and villages. The concept of big cities as " islands of privilege " (Harrison 1982: 145) is fundamental to otherwise discrepant theories of modernization, dependency, world systems of cities...

OBJECTIVES Obesity is one of the most serious health problems in the world today. Asian Americans are usually less overweight and obese than African Americans and Hispanic Americans, but the rate of obesity in Asian Americans is still increasing, especially in younger generations. This research examines Asian American obesity using existing research, as a means of finding the need for greater e...

The Death and Life of Great American Cities was written in 1961 and is now one of the most influential book in city planning. In it, Jane Jacobs proposed four conditions that promote life in a city. However, these conditions have not been empirically tested until recently. This is mainly because it is hard to collect data about “city life”. The city of Seoul recently collected pedestrian activi...