1. What is the scientific consensus on the causes and consequences of climate change?
2. What do you consider to be one of the most significant feedback loops contributing to climate change? What can we do, if anything, to help?
3. What is a tree house gas and how does it affect Earth's climate?
4. Why is it incorrect to assert that greenhouse gases prevent heat energy from escaping to outer space?
5. List three causes of climate change that result from plate tectonic processes.
6. What is the role of continental glaciers in climate variation?
7. What information about glacial cycles has been obtained by studying ice cores?
8. Give an example not discussed in this chapter of aa positive feedback and a negative feedback in the climate system.
9. Why are scientists reasonably sure that most of the twentieth century warming was due to changes in the climate system caused by human activities?