India's fast-growing cities face three key challenges in improving public health outcomes. The first is the persistence of weak links in the chain -- notably, slums badly underserved with basic civic services -- that can pose public health threats to all. Richer residents corner public...

The literature is reviewed on the relationships between population, poverty, and climate change. While developed countries are largely responsible for global warming, the brunt of the fallout will be borne by the developing world, in lower agricultural output, poorer health, and more frequent...

There is a very large but scattered literature debating the economic implications of high fertility. This paper reviews the literature on three themes: (a) Does high fertility affect low-income countries' prospects for economic growth and poverty reduction? (b) Does population growth exacerbate...