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 provides information about discharging the average

amount

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of greenhouse gases per person in the four countries, the

UK

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, Sweden, Italy, and Portugal from 1967 to 2007.

Overall

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, it can be seen that the average

carbon

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dioxide

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emissions in Italy and Portugal experienced an increase

while

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releasing

carbon

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dioxide

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in the

UK

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and Sweden decreased notably over the 40 years, albeit, the

UK

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represented the highest

amount

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of

carbon

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dioxide

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emission

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. The

amount

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of

carbon

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dioxide

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emission

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in Italy surged from 4 metric

tonnes

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to over 6 metric

tonnes

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in the first

decade

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,

then

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experienced a stable increase and in the

last

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decade

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, reached a plateau and stood under 8 metric

tonnes

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although

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Portugal in the first 30 years, saw a sharp increase in

carbon

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dioxide

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emission

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,

similarly

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, in the

last

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decade

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with just under 6 metric

tonnes

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reached a plateau.

While

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the

UK

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discharged more than 10

tonnes

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metric 1967, the

amount

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of greenhouse gas declined significantly and in 2007 stood at above 8 metric

tonnes

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. Sweden in the first

decade

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witnessed a surge, amounting to approximately 10 metric

tonnes

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;

however

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, the average

carbon

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dioxide

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emission

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from 1997 to 2007 decreased dramatically and stood under 6 metric

tonnes

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.