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

The graph illustrates the per person's average carbon dioxide emissions in Britain,

Sweden

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,Italy and Portugal from 1967 to 2007.

Overall

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,Italy and Portugal kept increasing

while

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Sweden

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and the United Kingdom declined.

However

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,

The

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the

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UK remained the highest emission country over the entire period

and

Punctuation problem

, and

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Portugal remained the lowest almost all the time

even

Punctuation problem

, even

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though it rose a lot. In detail,from 1967 to 1977,

Sweden

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increased significantly to its peak.

In addition

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,Italy

also

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rose to 6

and

Punctuation problem

, and

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Portugal increased to 2 slowly

with

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, while

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Britain remained approximately the same at around 11 .From 1977 to 1987,Portugal still increased slowly

and

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, and

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Italy rose a little.

Nevertheless

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,

The

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the

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UK declined

and

Punctuation problem

, and

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Sweden

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fell dramatically to Italy's level. What's more,between 1987 and 1997,Britain remained dropping slowly

and

Punctuation problem

, and

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Sweden

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's descent speed became slower

while

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Portugal

increase

Wrong verb form

increased

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to 5 and Italy rose a little but exceeded

Sweden

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.Between 1997

to

Correct word choice

and

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2007

Punctuation problem

2007,

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Italy and Portugal remained nearly the same

but

Punctuation problem

, but

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The

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the

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UK kept

and

Verb problem

rising, and

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Sweden

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kept falling .

Linking Words

Finally

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Finally,

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Sweden

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reached the same level as Portugal