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

The line graph depicts the average carbon dioxide (CO2) emissions in metric

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per individual human being in the United

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,

Sweden

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, Italy and Portugal from 1967 to 2007. The average CO2 gas discharge in Portugal and Italy had a significant rise over the period of time,

while

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the United

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and

Sweden

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had shrunk by the

year

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2007. In the

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1997, Italy and Portugal had 4 and 1 metric

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of carbon dioxide emissions respectively. Italy experienced a significant rise between 1967-1997 and it attained about 8 metric

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and

then

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remained steady till the deadline of the period,

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Portugal had an upsurge from the beginning to the end and reached near to 6

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.

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, the United

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and

Sweden

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had 11 and 9 metric

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emissions respectively. The United

Kingdom

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's Co2 gas release drastically decreased to 9 metric

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but ,still

at the end

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of the time it had the highest gas emission

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Sweden

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had an upsurge during the

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1967-1977 it had made approximately 11 metric

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and from the

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1977-2007 it has sharply fallen to 5 metric

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. By the end of the

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period

Sweden

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has less carbon dioxide emission per person.