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 chart depicts the data about the amount of Carbon Dioxide (C02) emitted per head of population in the four Western European Nations in Four decades from 1967 to 2007. The data from the graph was illustrated by the metric

tonnes

. By and large,

United

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the United

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Kingdom and

Sweden

had a slight decline over the period.

However

, it is noticeable that the high improvement was from Italy and Portugal. Turning to the details, it was presented by the line graph that in the first decade,

Sweden

, Italy and Portugal had a slight increase

of

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in

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the emission of carbon dioxide,

while

,

on the other hand

, the United Kingdom remained stable (around 11

tonnes

).

Moreover

, even though

Sweden

had a straight growth in the first decade, which was approximately 10

tonnes

, it fell dramatically over the following three decades. Having similar trends, Italy and Portugal rose slightly

in

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at

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the beginning of three decades and remained steady in the

last

decade which accounted for a mere five

tonnes

for Italy and seven

tonnes

for Portugal.

Furthermore

, the United Kingdom and

Sweden

remained decreasing,

while

Italy and Portugal climbed sharply over the

periods

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period

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of time.