Chapter 10

Identify three human actions that have led to an increase in the amount of greenhouse gases in the atmosphere. What has been the result?

How can ice cores tell us what atmospheric temperature and \(\mathrm{CO}_2\) levels were in the distant past?

How does air pollution negatively affect plants?

In general, what kinds of actions would reduce the production of acid deposition?

What is the value of using multiple types of proxy data when reconstructing past climates?

What is albedo, and how does it affect climate?

Why are high-elevation trees often more affected by acid deposition than trees lower on a mountain?

What is the difference between a positive feedback loop and a negative feedback loop? Give a climate-related example of each.

Aside from health impacts, what are some of the societal and economic consequences of acid deposition?

What is meant by the term criteria air pollutants? Which six pollutants are classified as criteria air pollutants?