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

The given line chart illustrates the average

carbon

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dioxide

emissions

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of each person in four different countries produced

from

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between

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1967 and 2007.

Overall

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, during the period the

carbon

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emission in the United Kingdom and Sweden experienced decreases

while

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Italy and Portugal went up. Despite a steady decline from 11 to 9 metric

tonnes

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,

emissions

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in the UK were higher than in the three countries all the period. Sweden's

emissions

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first rose from about 9 metric

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in 1967 to a maximum of nearly 10.5 metric

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in 1977. After the increase in

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dioxide in Sweden, it experienced a rapid decrease from 10.5 to 7 metric

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and a continued slow decline to 5.5 metric

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to

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by

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the end of the time. Average

carbon

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emissions

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that each person in Italy increased between 1967 and 2007. Italy’s

carbon

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emissions

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nearly doubled, starting at just above 4 metric

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in 1967 and ending at nearly 8 metric

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by the finishing year

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Portugal's

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in 1967 were nearly 1.5 metric

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. But in 2007,

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had reached 5.5 matchings Sweden’s average.