Modern cities are engines of production, innovation, and growth. However, urbanization also increases both local and global pollution from household consumption and firms' production. Do emissions change proportionately to city size or does pollution tend to outpace or lag urbanization? Do emissions scale differently with population versus economic growth or are emissions, population, and econo...

BACKGROUND Living in socioeconomically disadvantaged areas is associated with increased -childhood mortality risks. As city living becomes the predominant social context in low- and middle-income countries, the resulting rapid urbanization together with the poor economic circumstances of these countries greatly increases the risks of mortality for children < 5 years of age (under-5 mortality). ...

BACKGROUND In Ghana, fire incidents have become a regular occurrence, with thousands of lives and millions of dollars lost every year. Hardly a day passes without news of a fire outbreak in some part of Ghana, causing fear and panic among the people. This generates much discussion centering on rumors relating to politics, sabotage, misfortune, religious differences, etc. This article seeks to d...

Urbanization in Bangladesh takes the form of rapid growth of urban population, largely due to natural growth and rural-urban migration. The hierarchy of urban system includes both induced and spontaneous growth centres. Large numbers of spontaneous growth centres grow due to rapid population growth as well as growing importance of certain local resource that induces economic growth. Trickle dow...

Global demands on agricultural land are increasing due to population growth, dietary changes and the use of biofuels. Their effect on food security is to reduce humans' ability to cope with the uncertainties of global climate change. In light of the 2008 food crisis, to secure reliable future access to sufficient agricultural land, many nations and corporations have begun purchasing large tract...

Many cities in Africa, Asia, and Latin America face serious problems managing their wastes. Two of the major problems are the insufficient collection and inappropriate final disposal of wastes. Despite spending increasing resources, many cities – particularly in Africa and Asia – collect less than half of the waste generated. Most wastes are disposed of in open dumps, deposited on vacant land, ...

This book consists of 6 papers focusing on social and economic issues. The topics covered include graph distance and optimal communication, migration in Jaipur, urbanization, clan capitalism, world population growth rate, and scientific inquiry. These papers were written in the period between 20092010. Hopefully the readers will find some new insights in this collection of papers. Collection of...

The population of the southeast United States has experienced the highest growth rate in the nation in recent decades. Florida, in particular, has seen a dramatic population increase since the late 1970s, which has led to increased urbanization and more intense utilization of arable land for agriculture. One consequence of increased agriculture and population growth in South Florida is the pote...