The charts below show average carbon dioxide emission per person in the United kingdom, Sweden, Italy and portugal between 1967 and 2007.

The chart illustrates the

number

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of carbon dioxide

emissions

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per person in 4 countries in 40 years. Measured in metric

tonnes

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.

Overall

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,

it is clear that

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there were 2 countries that faced an increase, namely Italy and Portugal,

while

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two others felt a decrease. Looking at the line in 1967, the United Kingdom was the most significant donor of carbon dioxide

emissions

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, approximately 11 metric

tonnes

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, and they slightly decreased until 2007, accounting for 9 metric

tonnes

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.

In addition

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, the second contributor of CO2

emissions

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was Sweden, with a

number

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of contributions of almost 9 metric

tonnes

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and surged in 1977 to reach 10 metric

tonnes

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and plummeted in 1987 and slightly decreased until 2007, approximately 5 metric

tonnes

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. Turning to the 2 countries (Italy and Portugal), Portugal was the lowest philanthropist in 1967 and rose until 1997 with the

number

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of 5 metric

tonnes

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, and slightly increase reached the same

number

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as Sweden, around over 5 metric

tonnes

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.

Furthermore

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, Italy contributed CO2

emissions

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in 1967, around 4 metric

tonnes

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, and rose by approximately 7 metric

tonnes

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.