The graph below shows average carbon dioxide emissions per person in the United Kingdom, Sweden, Italy and Portugal between 1967 and 2007.

The line graph illustrates the amount of carbon dioxide emissions per person in four European countries over the period from 1967 to 2007. Overall, it is immediately apparent that Italy and Portugal followed an upward trend, whereas the two other countries experienced a downward trend throughout the period. To begin with the country with the […]