To calculate how long it takes a country's population to double in size and to investigate factors affecting growth rate. Since 1800, human population has grown from one billion to six billion people.
A new study led by researchers from Oxford Population Health has shown that a range of environmental factors, including lifestyle (smoking and physical activity), and living conditions, have a greater ...
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 ...
To calculate how long it takes a country's population to double in size and to investigate factors affecting growth rate. Since 1800, human population has grown from one billion to six billion people.