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?