The graph below shows average carbon dioxide (CO2) emissions per person in the United Kingdom, Sweden, Italy and Portugal between 1967 and 2007.

The provided bar chart illustrates the approximate

amount

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of

carbon

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dioxide

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gas

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which 4 Europe countries including the United Kingdom, Sweden, Italy, and Portugal emitted from 1967 to 2007. The emission is measured in metric scale (

tonnes

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).

Overall

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, it can be seen from the graph that the

amount

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of

gas

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emission for each country is distinguished.

To begin

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with, it is evident that the United Kingdom emitted the highest

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of

gas

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over the 40-year period. In 1967, around 11

tonnes

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of

carbon

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dioxide

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gas

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was emitted from the UK,

then

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the

amount

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of emitted

gas

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moderately decreased to approximately 9

tonnes

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in 2007.

However

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, the

amount

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of emitted

gas

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in Sweden fluctuated, in 1967 there

was

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roughly 8

tonnes

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of emitted

carbon

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dioxide

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,

then

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it significantly rose to reach its peak, at 10

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over a decade. After that, it dramatically dropped to solely around 5

tonnes

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in 2007. Meanwhile, the

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of emitted

gas

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in Italy, and Portugal showed similar upward trends. In Italy, the

amount

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of

carbon

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dioxide

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emitted gradually increased from merely 1

tonnes

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to 5

tonnes

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over 3 decades, and

then

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it remained relatively stable from 1997 to 2007.

Furthermore

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, Portugal emitted roughly 4

tonnes

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of

carbon

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dioxide

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gas

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in 1967,

then

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it marginally climbed to 7

tonnes

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in 1997,

then

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the

amount

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of emitted

gas

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was steadily constant between 1997 to 2007.