Discuss some of the ethical issues associated with overpopulation.

Discuss some of the ethical issues associated with overpopulation. Is it ethical to have more than two children? Is it ethical to consume so much in the way of material possessions? Is it ethical to try and influence a couple's decision about family size?

Demographic Transition - If Phase IV of the Demographic Transition is a goal for developing countries, what programs or initiatives might assist in progress toward this goal?

In your own words, define the Demographic Transition and describe the four phases. Is the population stable, growing, or declining in each of the four phases? According to demographers, what factors led to a decline in the CDR and a decline in the CBR? Not all countries have moved through all four phases of the Demographic Transition. Briefly describe living conditions and environmental impacts in developed countries that have reached Phase IV in contrast to these conditions or impacts in developing countries that remain in earlier phases. Finally, if Phase IV of the Demographic Transition is a goal for developing countries, what programs or initiatives might assist in progress toward ... click for more

Biodiversity

What is biodiversity? What are some of the most biodiverse ecosystems on the globe and how are humans impacting it? Is maintaining biodiversity essential for human sustainability? What can be done to maintain today’s current biodiversity levels? What are invasive species and how do they impact biodiversity? Provide an example of an invasive species in your area.

Identify and explain one type of alternative energy source for automobiles.

Identify and explain one type of alternative energy source for automobiles. Be sure and indicate where this technology is at in terms of being a viable alternative to fossil fuels. Do not use ethanol or solar energy.

It is estimated that almost 20% of the world’s population does not have access to safe drinking water, and half of the world’s population lacks adequate water purification systems.

The world is facing a fresh water crisis. It is estimated that almost 20% of the world’s population does not have access to safe drinking water, and half of the world’s population lacks adequate water purification systems. On the attached link (copy and paste into browser) you will see the situation in certain parts of the world. Choose one and briefly discuss the situation, using that particular situation to illustrate a water shortage issue such as the drawing down of ground water, dams, increasing agricultural demands, pollution, etc. http://news.bbc.co.uk/hi/english/static/in_depth/world/2000/world_water_crisis/default.stm