Our world has 6.4 billion inhabitants today. More than 3 billion will potentially be added to our human family over the next 50 years. Yet some parts of the world actually have shrinking populations. What are the impacts of these trends on economic, social, health, and environmental issues? We've assembled population related research, links, interactives, and more within this special feature.

Population: References and Readings

References and readings compiled by the authors of the feature articles in World Watch magazine.
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