The extent of urban air pollution in Pakistan--South Asia's most urbanized country--is among the world's most severe, significantly damaging human health, quality of life, and the economy and environment of Pakistan. The harm from Pakistan's urban air pollution is among the highest in South Asia, exceeding several high-profile causes of mortality and morbidity in Pakistan. Improved air quality management (AQM) in Pakistan can have notable economic and health benefits. For example, the estimated health benefits per dollar spent on cleaner diesel are approximately US $1-1.5 for light-duty...

In 2009, more than 40,000 people died prematurely in Sindh, Pakistan because of an illness associated with an environmental health risk. This means that almost one of every five deaths that occurred that year was caused by environmental factors. Loss of natural resources and impacts from natural disasters also represent development challenges. Increased salinity and waterlogging result in loss of agricultural crops. In addition, hydro-meteorological hazards recurrently affect Sindh, as illustrated by the devastating effects of the 2010 and 2011 floods. For Sindh's population, these problems...