Hannah Ritchie Profile picture
Deputy Editor @OurWorldinData / Researcher at @UniofOxford / Honorary Fellow at @EdinburghUni @EdCentreCC / Not the End of the World: https://t.co/FoINhggvoR

Nov 7, 2017, 5 tweets

This week nations meet for #COP23 to discuss global progress on climate change. Lots of data on CO₂ in our entry: ourworldindata.org/co2-and-other-…

Reaching global deal on responsibility for emissions reductions & costs of climate change difficult, because several emissions metrics...

1. Cumulative CO₂ emissions
Mainly responsibility of high-income nations. USA highest- emitted >2x CO₂ than China
ourworldindata.org/grapher/cumula…

2. Annual CO₂ emissions
China, USA, EU, India emit >50% global emissions alone. China highest- emits 2x that of USA
ourworldindata.org/grapher/annual…

3. CO₂ per capita
>1000-fold difference across world. Middle East, N.America, Australia v. high. Low-income v. low
ourworldindata.org/grapher/co-emi…

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