Shiba megacities global health brings together important research on infectious diseases environmental and occupational hazards disaster preparedness crowding urban ecology and much more the leading experts in global medicine public health and urban health provide analysis commentary and case studies of emerging and established megacities megacities global health brings together important . Version of megacities global health at engineering360 by 2006 over half of the planet lived in cities and megacities are a rapidly growing global phenomena layering already poor infrastructure environmental hazards weak regulatory frameworks and rapid population growth the unique nature of megacities is an emerging area of study in global health and urban planning climate change affects the . Health megacities global health an article from books vol issue dr omar khan chair of the ih sections program committee was recently interviewed for the journal health promotion practice about his new book megacities and global health as well as his commentary on key global health topics you can access the article herethe abstract is below dr khan has had a distinguished career in global . New book first to examine megacities as emerging global health challenge washington dc august 3 2011 steady population growth concentrated in urban areas around the world has given rise to a new global health challenge megacities aptly named urban centers with more than 10 million inhabitants present a new realm of public health challenges for their residents and the world