Human Population Growth And Its Effect Environmental.
Introduction. At more than 7 billion people around the world today, the world’s population continues to grow at an exponential rate. We have grown from 1.86 billion people in 1920 to 2.53 billion people in 1950 and then to 5.3 billion people in 1990, crossing over the 7 billion mark in 2011 (BBC News, 2011).
The book An Essay on the Principle of Population was first published anonymously in 1798, but the author was soon identified as Thomas Robert Malthus.The book warned of future difficulties, on an interpretation of the population increasing at a geometrical ratio (so as to double every 25 years) while an increase in food production was limited to an arithmetic ratio, which would leave a.
Population and migration. Population is defined as the inhabitants of a particular place. It is an interesting topic in geography due to its dynamic nature across time and the human and physical factors which can have dramatic effects.. Population Growth Essay 'Does mother earth have the capacity to sustain continued population growth' That.
In the eighteenth century, population growth in Europe skyrocketed. Until the 1700s the population was growing gradually at a rate of 0.5 to 1. However, due to famine, epidemic disease, and war in many years, prior to the 1700s, the birth rate was lower than the death rate. The rapid population.
When writing a population growth essays, there are so many aspects of population that a person can write about. There can be an essay of population increase in countries like India and China; a population growth essays which talks about the meager population in Australia, or an essay on population of a certain species of animal in the US which is decreasing.
Population growth, therefore, can be considered the greatest threat to humanity it is therefore necessary to curb rapid population to be able to manage our environment and live sustainably. Alternative energy sources also need to be established so as to reduce the dependence on bio-fuels.
Human population Out line .4.1 How population change over time A. B. C. D. II. Age structure A. B. C. D. E. F. G. H. I. J. K. 4.2 Kinds of population Growth III.