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 illustrates the average carbon dioxide

emissions

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per person in metric

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in four different regions , England, Sweden, Italy, and Portugal , from 1967 to 2007.

Overall

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, it can be seen from the graph that Italy and Portugal's CO2 discharge percentage increased dramatically throughout the period,

while

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the UK experienced a gradual drop from the beginning to the

last

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period of time.

In contrast

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, Sweden witnessed a significant rise for ten years , after which it experienced a significant decline , which surpassed Italy and Portugal eventually. At the start, Italy faced 4

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of CO2

emissions

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and began to climb dramatically for 10 years and

then

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continued to increase until it reached nearly 8

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of that value , and Portugal started with around 1

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, and witnessed a noticeable growth before reaching its peak , which is around 7

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.

On the other hand

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, the United Kingdom stood at around 11

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of CO2

emissions

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at the beginning and

then

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fell to around 9

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in the end , but it is the highest value considering the period

at the end

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. In the case of Sweden, there is a fluctuation. It began slightly over 8

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and observed a dramatic jump until it skyrocketed to its peak , which was over 10

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of average CO2

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, and

then

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it went down continuously until 2007, where the CO2 ejection percentage was around 5

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, and

that is

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the lowest value

at the end

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.