Human Population Growth

Describe the historical pattern of growth of the worldwide human population since our origin. Include in this historic overview the changes that have happened technologically, medically, culturally and nutritionally to result in major population changes over time. Relate the growth of the human population to our ecological footprint and explain the idea of limits to population growth known as the carrying capacity. Relative to carrying capacity, what may result from unbridled continued growth of our population? How does the size of the human population contribute to environmental degradation? Why must we take the human population size into account when we attempt to develop environmental restoration projects?



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A population is typically a group of individuals belonging to a similar species that occupy a particular place. In the biological field, members of a population have interbreeding capabilities. A continued rise in the number of individuals living in a particular place is termed as population growth. On the other hand, a population growth rate determines how fast a given population is increasing or decreasing. Geographical places where individuals occupy could be countries, cities, states or counties (Jorgenson & Dietz., 2015). This paper analyzes historical trends in human population growth, factors that affected population growth patterns, and the impact of the human population size on our environment. Some countries have experienced tremendous growth in population size through immigration. Immigration is the movement of people from foreign areas into a given population. For instance, aboriginal inhabitants of the continental United States and Australia were very few. However, following the discovery of the two landmasses by European explorers in 15th and 18th centuries respectively, the populations in these continents quickly increased through immigration (Bacci, 2017). Another way through which the number of individuals increases is through births. The population growth rate can be predicted by subtracting the death rate from the birth rate. If the birth rate is greater than the death rate, the population will grow. Conversely, a higher death rate implies that the population is likely to decrease. However, if the birth rate and death rate are equal, it is likely that the population size will remain unchanged. Finally, the other phenomenon that affects population…


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