The graph below shows average carbon dioxide CO2 emissions per person in the United Kingdom, Sweden, Italy, and Portugal between 1967-2007.

The supplied line graph represents the emissions of carbon dioxide (CO2) per

person

in four different nations (the United

Kingdom

, Sweden, Italy and Portugal) which were emitted for over four decades from 1967 and 2007. Units are measured in metric

tonnes

.

Overall

,the emissions of CO2 per

person

in the United

Kingdom

and Sweden decreased over the period given,

while

for Italy and Portugal, they rose.

Moreover

, the United

Kingdom

had the highest rate of CO2 emissions throughout. With regard to the amount of CO2 emitted per

person

in the United

Kingdom

, it began from more than 10 metric

tonnes

in 1967 and

then

declined to nearly 8 metric

tonnes

in 2007.

Likewise

, the average rate of CO2 produced per

person

in Sweden started from just over 8 metric

tonnes

in 1967

then

peaked at a little less than 6 metric

tonnes

in 1977, and

then

it is obvious that it went down to a little less than 6 metric

tonnes

at the end

of the period.

On the other hand

, it is obvious that the amount of CO2 emitted per

person

in Italy increased from a little more than 4 metric

tonnes

in 1967 to almost 8 metric

tonnes

in 2007.

Similarly

, the average rate of CO2 emitted per

person

in Portugal surged from less than 2 metric

tonnes

in 1967 to

reach

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almost 6 metric

tonnes

in the final year.