In the given paragraph, it is described that the production of CO2 is varies between world’s 5 largest countries. The comparison of production is about 20 years. There we can see that china and America are ranging in 1st and 2nd large producer of CO2 while Russia and India lies after these countries and also having a large producer. The 5th one and the lowest on ia the Japan which has minimum number of CO2 production and also having the lowest ratio in all the mentioned period.
In the first quarter of ten years united states has 5.8Gt and ranks first in the list while in next 10 years it’s ratio decreased and china occupies the 1st rank with higher production of CO2 which is about 11.4 Gt in 2005. Russia and India lies between the 3rd and 4th rank with the moderate number of CO2 production in the whole period.
The last and with best air quality index country Japan has lowest rank in CO2 production and in the whole period it has minimum number of production.
