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Many people are individually optimistic but think the world is falling apart
Most people are personally optimistic, but socially pessimistic. This can be a drag on collective progress.
Jan 13
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Hannah Ritchie
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The low life expectancy of Americans is not just about deaths among young people
Even those who reach 65 are at a disadvantage relative to peer countries.
Jan 7
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Hannah Ritchie
217
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Five(ish) charts that give some context to Venezuelan oil
It has the world's largest reserves, produces comparatively little, and has a type of oil that the US needs.
Jan 5
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Hannah Ritchie
382
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What's the carbon footprint of using ChatGPT?
May 6, 2025
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Hannah Ritchie
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What’s the impact of artificial intelligence on energy demand?
Nov 18, 2024
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Hannah Ritchie
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Five(ish) charts that give some context to Venezuelan oil
Jan 5
•
Hannah Ritchie
382
60
74
Why are solar panels and batteries from China so cheap?
May 15, 2025
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Hannah Ritchie
290
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Eliminating contrails from flying could be incredibly cheap
Oct 7, 2025
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Hannah Ritchie
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How much energy does desalinisation use? Is it “absurdly cheap”?
Sep 19, 2024
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Hannah Ritchie
310
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Some changes to Sustainability by Numbers in the new year
What's coming up in 2026?
Dec 22, 2025
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Hannah Ritchie
245
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Can we break the human development-environment trade-off?
The opportunity to build a human-nature relationship that is not zero-sum.
Dec 9, 2025
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Hannah Ritchie
351
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What happened on energy and climate in China this year?
Emissions flatlined; clean power pushed out coal; and oil for transport falls again.
Dec 5, 2025
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Hannah Ritchie
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Will oil and gas consumption keep rising through 2050?
Unpacking some of the assumptions behind the IEA's policy scenarios.
Nov 17, 2025
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Hannah Ritchie
184
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What happened to global carbon emissions this year?
Emissions from fossils are up, emissions from land use are down.
Nov 13, 2025
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Hannah Ritchie
240
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Deforestation in the Brazilian Amazon has fallen again in 2025
Progress on deforestation, but increased threats from wildfires.
Nov 4, 2025
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Hannah Ritchie
142
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Artificial intelligence could dramatically improve weather forecasting
An AI-based model outperformed every other in forecasting the Indian monsoon this year. This helped millions of farmers.
Oct 27, 2025
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Hannah Ritchie
138
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