The graph provides information about the average emissions of carbon dioxide per capita in four countries from 1967 to 2007. 
Overall
, Linking Words
it is clear that
 Linking Words
although
 the UK have the highest average CO2 emission, the Linking Words
output
 in Sweden over the same period fell. Meanwhile, there were significant rises in the emission levels from people in Italy and Portugal.
In 1967, the Use synonyms
productions
 in the UK Fix the agreement mistake
production
lead
 to the highest pollution level, caused by almost 11 metric Wrong verb form
led
tonnes
 of CO2 each. The next highest emitters were the Swedes, who Use synonyms
leads
 to around 8.5 metric Correct subject-verb agreement
lead
tonnes
 each, which is two times the Use synonyms
output
 of the average Italian, and sixteen times more than the Use synonyms
output
 per capita in Portugal. CO2 Use synonyms
output
 fell gradually in the UK over the 40 years, Use synonyms
however
, and despite a surge in 1970, people in Sweden Linking Words
also
 cut their Linking Words
emission
 dramatically until by 2007, they account for only 5 metric Fix the agreement mistake
emissions
tonnes
 each.
Use synonyms
By contrast
, after 1967, emissions increased from Italy and Portugal. By the end of the given period, Italy was the second highest polluter, with almost 8 metric Linking Words
tonnes
, and in Portugal, though it was still the lowest emitter Use synonyms
along with
 Sweden, just under 6 metric Linking Words
tonnes
 per person were generated.Use synonyms