The graph shows the average carbon emissions per person in four countries between 1967 and 2007

The line chart illustrates the average

carbon

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emissions from each

person

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in

four

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different countries through

four

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decades, from 1967 to 2007.

Overall

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, per capita,

carbon

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emissions in Italy and Portugal increased steadily,

while

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the United Kingdom faced a gradual decline, and

Sweden

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hit a peak in 1977

then

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significantly dropped until the end of 2007. At the start of the period, 1967, Portugal in terms of the

carbon

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footprint was only around 1.2 metric

tonnes

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per

person

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, which is the lowest among the

four

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countries.

On the contrary

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, people in the United Kingdom emitted almost 11 metric

tonnes

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, which is the highest among the

four

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countries. Through the improvement in renewable energy and effective education.

Although

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the United Kingdom is still the country which produces the most amount of

carbon

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dioxide, people living there reduced by roughly 2 metric

tonnes

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, from almost 11 to a little under 9. Look into Italy and Portugal, their trend of increase is quite the same, both grew around 4 metric

tonnes

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per

person

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. Italy ended a little lower than 8, meanwhile, Portugal ended at approximately 5.

Moreover

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,

Sweden

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reached a high peak in 1977, which was slightly above 10 metric

tonnes

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per

person

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, and significantly dropped to 7 metric

tonnes

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in 1987. At the same time, Italy's

carbon

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emissions first exceed

Sweden

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's.

At the end

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of the period, 2007, the data in

Sweden

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and Portugal were identical, around 5.5.