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By the Numbers
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Do more Europeans die of summer heat than Americans die of guns?
An attempt to improve a viral chart.
May 28
•
Hannah Ritchie
279
42
43
What will future population change look like?
A new tool that let's you imagine different futures of where we might be headed
May 19
•
Hannah Ritchie
139
33
10
How much electricity does AI consume? [2025 summary]
What share of electricity is consumed by data centres? What's the energy footprint of ChatGPT and other chatbots?
May 5
•
Hannah Ritchie
294
37
58
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What's the carbon footprint of using ChatGPT?
May 6, 2025
•
Hannah Ritchie
319
91
66
What’s the impact of artificial intelligence on energy demand?
Nov 18, 2024
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Hannah Ritchie
253
42
45
Five(ish) charts that give some context to Venezuelan oil
Jan 5
•
Hannah Ritchie
403
60
75
What's the carbon footprint of using ChatGPT or Gemini? [August 2025 update]
Aug 21, 2025
•
Hannah Ritchie
214
40
28
Why are solar panels and batteries from China so cheap?
May 15, 2025
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Hannah Ritchie
293
54
61
Eliminating contrails from flying could be incredibly cheap
Oct 7, 2025
•
Hannah Ritchie
256
63
36
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Receiving the Unwin Award
And you can get my book for 99p on Kindle for all of May!
Apr 29
•
Hannah Ritchie
274
46
15
Are only one-third of Britain’s railways electric?
Which countries are the leaders and laggards on rail electrification, and why should we care?
Apr 27
•
Hannah Ritchie
196
66
17
An end to cervical cancer is possible
And some countries are already on track to do so.
Apr 13
•
Hannah Ritchie
214
9
25
The UK is cutting its aid budget to the lowest level in decades
After pledging to increase the budget to 0.7% of GNI, the government is cutting it to 0.3%.
Apr 1
•
Hannah Ritchie
131
54
12
Technology can cut plane contrails by two-thirds. Getting airlines to use it isn't so easy
Flights that followed an avoidance path cut contrails by almost two-thirds. But getting dispatchers and pilots comfortable with these routes will be…
Mar 23
•
Hannah Ritchie
134
18
13
Will Africa still be energy-poor in 2050?
Projections suggest that electricity consumption across the region will still be incredibly low decades from now.
Mar 17
•
Hannah Ritchie
165
30
17
Does China have a huge electricity advantage over the United States?
China uses most of its electricity for industry, while the US consumes it in households and commercial services.
Mar 5
•
Hannah Ritchie
214
49
23
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