Just published an interactive #visualization of #greenhousegas emissions by country and sector - https://observablehq.com/@martindaniel4/greenhouse-gas-emissions-by-country-and-sector.
It helps me get a sense of where we should focus our effort against #ClimateChange at country level. Data from @UNFCCC for 2018. Let's dive in

Metric is in millions of tons of Co2 equivalent (M TCo2e) which depicts the global warming potential of all greenhouse gas emitted in Co2 equivalent. For instance Australia emitted a total of ~557M TCo2e. Learn more about Global Warming potential at https://en.wikipedia.org/wiki/Global_warming_potential

Energy (the blue ring) is ~73% of world GHG emissions. Some countries have a higher share, like Japan (88%), US (83%), Russia (79%) or Australia (78%). cc @theShiftPR0JECT

The energy you need to produce electricity and heat is the main contributor in most countries: it makes 34% (or ~420M TCo2e) in Japan or 27% in the US (1.8G TCo2e) For reference the total GHG emissions of France is ~451M TCo2e!

Talking about France and Sweden, the share of GHG emissions from Electricity & Heat is much lower, respectively 7% or ~32M TCo2e and 14% or ~7M TCo2e. Why? The main reason is using #nuclear to produce electricity which does not produce GHG emissions. See @electricityMap @tmrowco

The size of Transport category is impressive. It makes 23% or ~950M TCo2e of EU GHG emissions. Most of those emissions come from road transportation (cars, truck). This is much bigger than domestic aviation ~16.5M TCo2e that often polarizes debates. cc @AurelienBigo

Another overlooked source of GHG emissions is fugitive emissions from oil and gas industries (see thread on Gas flaring from @maxcordiez). It's 13% in Russia (~280M TCo2e) or 5% in the US (~314M TCo2e).

Lastly, I knew about the size of Agriculture and Industry, but not really about the size of emissions from Waste. It makes 3% of EU emissions or ~137M TCo2e.

Thanks for reading! You can play with the tool and explore yourself here. Anything surprising? https://observablehq.com/@martindaniel4/greenhouse-gas-emissions-by-country-and-sector. Code source is in #Python and available here - https://github.com/martindaniel4/ghg_country_sector visualization done in @observablehq with #d3js thanks @mbostock.

Thanks to @_HannahRitchie, @MaxCRoser & @OurWorldInData team for the initial inspiration and visualization (and all their great work) - https://ourworldindata.org/ghg-emissions-by-sector, thanks to @laydgeur for the pointer on @UNFCCC data source.

Tagging a few folks that might be interested. Appreciate any feedbacks from that prestigious crowd! cc @corradio @mcjpod @bonpoteofficiel @Peters_Glen @JMJancovici @fmbreon @PeterGleick @nanransohoff @hfairfield @MLiebreich @dsaezgil @gustaf