How would you describe the saturated zone?

How would you describe the saturated zone? Why is it about the subsurface that can influence the transport of a contaminant and give three examples.

What is a reactive compound and state two examples?

What is a reactive compound and state two examples?

What are the important characteristics of a hazardous waste?

What are the important characteristics of a hazardous waste?

Questions

1. In risk, what are the main difference(s) between the toxicity quotient approach and the hazardous quotient approach? 2. Why can sediments become important in a risk assessment? 3. What processes may retard chemical movement in the environment? 4. What is the difference between porosity and permeability?

Discuss the themes of Environmental Science in Today's World.

While reading your favorite magazine in the field, you come to a column that stirs you to respond. In it you read that Article 4 of the U.N. Convention on Climate Change (commonly known as the "Rio Treaty") contains the following paragraph. The developed country Parties...shall adopt national policies and take corresponding measures on the mitigation of climate change, by limiting its anthropogenic emissions of greenhouse gases and protecting and enhancing its greenhouse gas sinks and reservoirs. These policies and measures will demonstrate that developed countries are taking the lead in modifying longer-term trends in anthropogenic emissions consistent with the objective of the Conventi... click for more