The graph below shows average carbon dioxide (Co2) emissions per person in the United Kingdom, Sweden, Italy, and Portugal between 1967 and 2007. Summarize the information by selecting and reporting the main features, and make comparisons where relevant.

The line graph depicts

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four nation's average carbon dioxide (Co2) discharge in metric tons per capita for over 40 years. From an

overall

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perspective, the information given is from the start of 1967 to the end of 2007. As mentioned above the 4 countries reviewed are the United Kingdom,

Sweden

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, Italy, and Portugal. Despite a steady decline from about 11 to 9 metric

tonnes

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, emissions in the UK were higher than in the other three countries over these 40 years.

Sweden

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's discharge first rose from roughly 9 metric

tonnes

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in 1967 to its maximum of about 10.5 metric

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in 1977. They

then

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dropped significantly to only around 5.5 metric

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in 2007, making

Sweden

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one of the smallest per-capita emitters of carbon dioxide of the four regions that year.

On the other hand

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, the average carbon emissions that each person in Italy was responsible for climbed gradually from approximately 4.5 to almost 8 metric

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between 1967 and 2007. In Portugal, each person only produced around 1.5 metric

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of emissions in 1967.

This

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country's discharge

then

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grew steadily and reached a similar level to

Sweden

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's by 2007, at about 5.5 metric

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To sum up

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, what has already been analysed is dominant to highlight that over 40 years, 2 of the nations had to deal with a drastic plummet, whilst the other two carry on to progress.