Why Do Rates and Measures of Population Change Use the “Total Mid-Year Population” Instead of the “End-Of-Year Population?”
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This makes human societies at once messy for modeling and fascinating to study. The new understanding builds on the concept of coupled human-environment systems, which are more than the sum of their parts. Research on the human-environment system also takes advantage of new data sources (remote sensing, biophysical data, as well as georeferenced household surveys), new technologies (high-powered computers, geographic information systems, spatial statistics), and new models (agent-based, multilevel, and spatially explicit modeling). Much of the research reviewed in this chapter has sought to deconstruct population into its component parts and to understand how human social institutions in all their complexity (e.g., markets, policies, communities) mediate the impact of population variables on the use of resources, waste generation, and environmental impacts. Thus, they could be said to fit into this growing understanding of the human-environment system.
carbon based fuels, mainly wood, coal, oil and natural gas produces significant amount of CO2 which is one of the main green house gases that contributes to global warming (International Energy Outlook, 2000). The green house effect maintains the earth at comfortable temperature range but if there is excessive release of CO2 and other harmful gases from the industries and factories, the green house gases gets easily out of control and will lead to so many problems like continental drift, climate change, natural disasters and variations of suns out put.
The biggest contribution we could make therefore, with an immediate favourable impact for ourselves and the rest of the world, is to change our consumption pattern and deal with the structural overconsumption of the world’s richest countries.
International Energy Outlook 2000, Energy Information Administration, Office of Integrated Analysis and Forecasting, U.S. Department of Energy, Washington, D.C. (2000)
J. Van Den Bergh and P. Rietveld, Reconsidering the Limits to World Population: Meta-analysis and Meta-predictions, Bioscience 54, no 3 (2004): 195.
Laurance, W. F. 1999. Reflections on the tropical deforestation crisis. Biological Conservation 91: 109-117.
Paul R. Ehrlich; Anne H. Ehrlich (2009). “The Population Bomb Revisited”. Electronic Journal of Sustainable Development 1(3): 6371. Retrieved 2010-02-01.