Population Growth Of Human Population

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Throughout time the human species have relied upon and utilized the Earth’s natural resources in order to survive everyday life. As years pass by human population is growing at an alarming rate and resources, in time, can and will become limited if proper steps aren’t taken now. During the 1970’s three men, John Holdren, Bary Commoner, and Paul Ehrlich developed a formula which measures the human impact on the environment. This formula I=PxAxT, refers to human being’s impact equals the product of its population multiplied by affluence and technology. “The world population is at 6.8 billion. That figure will rise to 9.2 billion by 2050. Meanwhile, climate change is speeding up alarmingly. So, are there too many of us? And if so, how long before our planet becomes unfit for purpose?” (Lord 24-26). In this essay, I will attempt to explain my understanding of the IPAT model and evaluate its current data trends within the human population. “Human population growth challenges the efforts toward sustainability. People who are concerned about the environment, development, and sustainability are in a position to stress the importance of human population and to encourage people to choose small family size” (Grossman 1435-1436). Around seventy years ago the average American family had around 6 children but in today’s time it has diminished to half of that. Statistically each new birth will generate an extra mouth to be fed and the waste it would produce will contribute to our
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