Homework 8

For Homework Set 8, you will use your Global Warming: Understanding the Forecast textbook and complete the problems listed below. 
 
•         Page 149, #1, #2, and #4
•         Page 188, #2, #3 and #4
 
Submit your answers in a Word document to the Dropbox no later than Sunday 11:59 PM EST/EDT.

Page 149, #1 What is a proxy measurement? Describe two types of proxy measurements.

Page 149, #2 What is a climate forcing? Which ones are human in origin, and which ones are natural?

Page 149, #4 Why ideas the warming since 1970's the smoking gun for a human impact on climate?

Page 188, #2 Why is the discount rate an important factor in people's view of the economics of avoiding climate change?

Page 188, #3 How can danger limits for climate change be defined? What specific implications do they have for carbon emissions in the future?

Page 188, #4 Which can provide more carbon emission reduction in the next few decades, efficiency or alternative energy sources? What about to the year 2100?