The US is the largest contributor of CO2 to the world.
Ranking as of the start of 2019:
1) US – 397GtCO2
2) CN – 214Gt
3) fmr USSR – 180
4) DE – 90
5) UK – 77
6) JP – 58
7) IN – 51
8) FR – 37
9) CA – 32
10) PL – 27
https://www.vox.com
Personally, I don't see the relevance of the total emissions produced since 1750.
Should we not be concerned about today?
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