The line graph illustrates the average amount CO2 emitted by each individual in four different countries from 1967 to 2007.
Overall, it is noticeable that the United Kingdom released the highest amount of CO2 over the entire period despite it decreased. The emission of Italy and Portugal went up while the emission of Sweden decreased.
UK’s emission stared with around 11 metric tonnes in 1967, which decreases slightly every year to reach about 9 metric tonnes in 2007 but until remained the highest producer. Sweden was the second biggest CO2 producer at the beginning of the year with nearly 8.5 million tonnes, increased significantly to reach the peak with approximately 10.2 million tonnes in 1977 before falling it sharply to about 4.7 million in the final year.
Italy and Portugal’s emission began with around 1 million tonnes and 4.2 million tonnes respectively. CO2 emission for both nations went up slightly each year to around 6.8 million tonnes (Italy) and 4.6 million tonnes in Portugal.
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