The world's population has risen to more than 7 billion people, making issues such as food supply, energy resources, and water quality even more serious. Popula

According to most scientists, Earth's atmosphere has warmed by about 1.4 degrees Fahrenheit in the past 100 years. The result has been melting glaciers, rising

From the authors of the bestselling The Big Shift, a provocative argument that the global population will soon begin to decline, dramatically reshaping the soci

This book broadens and deepens understanding of a wide range of population-climate change linkages. Incorporating population dynamics into research, policymakin

Based on the 2002 Revision, the Population Division has adopted 2 major innovations for this new set of long-range population projections. For the first time th