Log-in to bookmark & organize content - it's free! Jonathan Salk, son of polio vaccine developer Jonas Salk, discussed the historic growth of the world population, factors affecting that and ...

Population ecology is the study of how populations — of plants, animals, and other organisms — change over time and space and interact with their environment. Populations are groups of organisms of ...

SIOUX FALLS, S.D. (KELO) — Migration, including foreign-born and domestic persons, is helping to drive population increases in South Dakota. In some counties in South Dakota, the foreign-born ...

Population distribution is the spread of people across the world, ie where people live. Population density close population densityThe average number of people in a certain area. is the number of ...

Zhou Bajun warns that Hong Kong faces future shock should its fast-aging population peak at the 8.22 million level and then shrink back, as is currently projected Stanley Wong Yuen-fai, head of the ...

Economic factors such as employment rates and education levels have the biggest impact on population growth, according to a recent study released by the University of Missouri. The study was started ...

You can help the environment by getting old. A demographer has profiled the relationship between age and a person's carbon dioxide emissions, showing that after retirement age, our individual ...

Globally, more than 4 billion people live in urban areas. This is projected to increase to more than 7 billion by 2050. Urbanisation rates are increasing rapidly in developing countries as people ...