African cities are increasingly seen as key to unlocking national structural transformation and inclusive growth, as they tend to host the majority of the non-productive and informal labour force; attract the lion's share of domestic investment in non-productive sectors; and host different...

Forests accompany the cities we build. There are an estimated 5.5 billion urban trees in the United States. Globally, about 25 percent of urban land is covered by tree canopy. This study examines urban forests as a policy tool for air pollution mitigation. We study an afforestation program in...