The graph below shows average carbon dioxide (co2) emissions per person in the United Kingdom, Sweden, Itay and Portugal between 1967 and 2007.

The line graph illustrates the amount of emissions of carbon dioxide per individual in four countries with 10-year intervals from 1967 to 2007.

Overall

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,

it is clear that

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people in Great Britain release

a

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gas more than others

while

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Portugal emits the least.

However

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, in the second half of the period, Italy's CO2 emissions surpass Sweden.

To begin

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with, the UK started at nearly 11 and it hovered at

this

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number for a decade before it minimally decreased to around 9.5 in 1997. A slight drop was seen from 1997 to 2007 in England to well under 9.

On the contrary

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, Portugal in 1967 had CO2 emissions

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over 1

then

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continuously increased to 3 in 1987. It surged to 5 in the next ten years and unnoticeably rose to approximately 5

at the end

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of the period.

Additionally

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, Sweden had a noticeable fluctuation between the years 1967 and 1987, from 8.7 to 7.5,

as well as

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falling to the same number as

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Portugal in 2007. Italy which was at 4.2 at the beginning of the record soared to well over 6 in 1967

then

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escalated to well under 8 in 1997.

Furthermore

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, it levelled off at 8 throughout the period.