Troposphere, Forms of Air Pollution, Characteristics of Atmospheric Radiation

Describe 3 of the following: 1. Troposphere 2. Forms of air pollution 3. Characteristics of atmospheric radiation 4. Average major composition of the atmosphere 5. Duffusion and dispersion

Define the Demographic Transition and describe the four phases.

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 this goal?

What is 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.

The conservation of Old Growth forests in the Pacific Northwest is a controversial topic.

The conservation of Old Growth forests in the Pacific Northwest is a controversial topic. Consider the opposing view of loggers versus environmentalists and discuss some of the controversies surrounding this issue. You will find additional information from the text website: http://www.wiley.com/college/raven (select Chapter 2 and Take a Stand). Alternatively, you may use any reliable website.

Current Environmental Science Topic or News Story

Find a current environmental science topic or news story, summarize it, and share it with the class. The only comment I have is that you cannot post any copyrighted material, so you must summarize and provide the link (if you want).