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The topic of overpopulation is widely studied in Geography, both at A-Level and undergraduate level. Take a look at the population clock at the link below:


Isn’t it amazing just how quickly population is rising? Just look at the population milestones listed on the page:
• 1 Billion 1804
• 2 Billion 1927
• 3 Billion 1960
• 4 Billion 1974
• 5 Billion 1987
• 6 Billion 1999
• 7 Billion 2011
• 8 Billion 2024 (projected)

Such a rapidly growing population brings challenges for resource use and supply; for example, more food is needed to feed a rapidly growing global population. The resources in this topic cover many high-profile issues in Geography, including Malthus’ theory of overpopulation and Hardin’s idea of the ‘Tragedy of the Commons’. You might be familiar with Malthus from your Sixth Form studies, but if you take Geography at undergraduate level it is almost certain that you’ll come across the work again in much greater detail! When taken together, both of these theories help us to explore the question of whether there are too many selfish people on Earth?
In the time it takes you to cover the four resources, how many more people are there now alive on Earth? Check the population clock again.