Am I missing something? Isn't the most eggregious aspect of this the equating of \$72.5B to \$\$29B by making them equal halves of the pie?

The "\$0.2B" in the upper right quadrant that you refer to is actually a "\$6.2B".

J: But... assuming that data is encoded as areas in a pie chart, then the green strip is indeed \$0.2B because \$6.2B - \$6.0B = \$0.2B!

I don't think that's how the chart is meant to be read. The \$6.2B and \$6.0B chunks represent direct spending and tax breaks, respectively, spent on Traditional Renewables, adding up to the \$12.2B you see in the top right quadrant.

All of this being said, I completely agree that this chart is designed in pretty much the worst way possible.

Oops, had it backwards, the \$6.2B is tax breaks and \$6.0B is direct spending.

Wow. Plain pie charts are bad, but this goes waaaay beyond that. Data visualization should make information accessible, not misrepresent and confuse. +1 for worst graph of the year.

First time I saw that big tax in a pie chart.

This is the worst graph I've seen in 2011. But using a line graph in your suggested profiles chart seems inappropriate. Using separated bars would indicate that the four categories are separate whereas the connecting lines imply there are some things/values in between.

what is the source of this chart?

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