There is a great deal of interest in carbon emissions because of global warming. The World Bank produces data on carbon emissions by country in a variety of forms. It is found at: in the spreadsheet which I have uploaded on nthe pdf below. There are estimates of CO2 emissions per dollar of real GDP a variable sometimes called the carbon intensity of production.
a) Find the values for the United States. how has the carbon intensity of output in the United States changed from 1990 to the most recent data.
b)Sort the data in the spreadsheet to find the countries with the five largest values of emission per dollar of GDP in 1990; in the latest year. Has the list of high emission countries changed
c) Now consider the five countries with the highest intensity in 1990. Have they reduced the carbon intensity over this period?
