, 7 tweets, 4 min read Read on Twitter
**Bar Chart Race for CO2**

The changing ranks of the 10 largest CO2 emitters in the world since 1850.

Fascinating to see nations rise, fall & rise again in their yearly emissions*

See how the UK dominates the C19th & US the 20th.

Then watch China surge ahead after 2005…
Huge thanks to @jburnmurdoch for making his "bar chart race" code easy to use & publicly available:

observablehq.com/@johnburnmurdo…

Here's my "fork":

observablehq.com/@drsimevans/ba…

I'm sure John / others could suggest lots of improvements eg to avoid the many decimal places on 1st frame…
Credit for data goes to CDIAC (through 2014) and the Global Carbon Project (through 2017).

CDIAC:

cdiac.ess-dive.lbl.gov/trends/emis/me…

GCP:

icos-cp.eu/GCP/2018
*This one's for the data pedants:

It's territorial CO2 emissions including fossil fuels and cement, but not land use and forestry, hence why likes of Brazil and Indonesia don't feature. Also excludes international aviation and shipping, imports and bioenergy.
We (@CarbonBrief) have written extensively about all of those other issues.

Some recent articles:

Imported CO2:
carbonbrief.org/mapped-worlds-…

Aviation:
carbonbrief.org/corsia-un-plan…

Shipping:
carbonbrief.org/video-all-you-…

Biomass:
carbonbrief.org/ccc-uk-should-…

Brazil:
carbonbrief.org/the-carbon-bri…
Read the summary attached (or at the link below) if you're interested in how there can be CO2 estimates from 1850 (they actually go even further back, to 1750, for some countries).

It's based on historical records of the trade in fossil fuels.

cdiac.ess-dive.lbl.gov/trends/emis/ov…
Finally, I thought about making variants for per capita emissions and/or cumulative emissions over time but you have to start somewhere!
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