There were more than 7 billion people on earth in 2013. While this is the highest number ever, the population growth rate has been steadily declining, in part due to declining fertility rates. …

As countries all across Africa recognize International Day of the African Child today, I thought it would be a timely opportunity to blog about the progress of under-five child mortality rates…

Follow the authors on Twitter: @chyiyunhuang and @shomik_raj   A recent trip to Addis Ababa really brought the imperatives of transit-oriented development as a complement to mass transit…