It's clever, because the area of each square shows the total emissions for each country/region. China has the biggest square, the US the next biggest and India third, but their per capita emissions are very different. One of climate emission reduction policies fear each country should be to cut emissions to the global average. That will of course cause the global average to decline, which means each "over-emitting country" would have to cut emissions again, which would be a good thing.
To get to the current average per capita emissions, the US, Canada, & Australia would have to cut emissions by 2/3rds, and most of Europe by half. Europe is on track to reach that goal. The US, Canada and Australia are not.
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| Source: Wikipedia. Note how Taiwan is called 'Chinese Tapei' on this chart. It remains 'Taiwan' to me. |
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