birth+and+death+rates

__Unit 5 Section 8: Demographic and environmental changes __  __ A. Changes and continuities in migration, birth and death rates, urbanization, deforestation, and Green/ environmental movements: __ ·  population increase in developing and less developed areas of the world such as rural China, Latin America, India, and Africa. ·  population stays relatively te same in more developed nations caused by lower birth rates due to abortion and birth control. ·  less people dying in more developed areas because of advances in medicine. ·  dense populations caused problems like over-consumption of things like food and energy and an increase in pollution in both developed and less developed nations. ·  during the postwar period, economic opportunity, political repression, and violence in developing world caused people to leave places like Asia, Latin America, and Africa for places like Europe and America; these are still reasons for immigration. ·  migration has for a long time provided a much-needed labor force and has also supplied cultural diversity for the host nation. ·  increased urbanization has caused an increase in pollution and decrease in natural resources. ·  environmentalism and conservation efforts are still striving to prevent natural resources from being permanently destroyed or damaged. ·  the modern environmental/ green movement didn’t start until after World War 2 when it became evident that pollution, the extinction of species, and uncontrolled industrialization posed a threat to earth’s ecological well-being. 
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*air pollution caused by factories Source: Barron’s AP World History pages 444-446, 461