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 depicts the average carbon dioxide (CO2) emissions in metric

tonnes

per individual human being in the United

Kingdom

,

Sweden

, Italy and Portugal from 1967 to 2007. The average CO2 gas discharge in Portugal and Italy had a significant rise over the period of time,

while

the United

Kingdom

and

Sweden

had shrunk by the

year

2007. In the

year

1997, Italy and Portugal had 4 and 1 metric

tonnes

of carbon dioxide emissions respectively. Italy experienced a significant rise between 1967-1997 and it attained about 8 metric

tonnes

and

then

remained steady till the deadline of the period,

whereas

Portugal had an upsurge from the beginning to the end and reached near to 6

tonnes

.

However

, the United

Kingdom

and

Sweden

had 11 and 9 metric

tonnes

emissions respectively. The United

Kingdom

's Co2 gas release drastically decreased to 9 metric

tonnes

but ,still

at the end

of the time it had the highest gas emission

while

Sweden

had an upsurge during the

year

1967-1977 it had made approximately 11 metric

tonnes

and from the

year

1977-2007 it has sharply fallen to 5 metric

tonnes

. By the end of the

,

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period

Sweden

has less carbon dioxide emission per person.