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The world is on track for record harvests this year
What do the latest projections expect for global food production and yields of different crops?
Sep 22
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Hannah Ritchie
164
49
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My new book — Clearing the Air — is published in the UK today
A Hopeful Guide to Solving Climate Change — in 50 Questions and Answers
Sep 18
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Hannah Ritchie
155
42
The Electrotech Revolution: Some insights into a new way of thinking about the transition
From burning old sunshine to using it in real-time.
Sep 16
•
Hannah Ritchie
168
51
Which countries are scaling solar and wind the fastest?
The leaderboard is quite different depending on what metric you look at.
Sep 9
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Hannah Ritchie
80
49
What's the carbon footprint of using ChatGPT or Gemini? [August 2025 update]
A new study from Google suggests its Gemini LLM uses around 0.24 Wh per text query. That's the same energy as using a microwave for one second.
Aug 21
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Hannah Ritchie
180
33
How much do electric car batteries degrade?
Many electric cars will still have more than 80% of their initial capacity after 200,000 miles.
Aug 18
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Hannah Ritchie
244
32
No, growing more food does not mean we always need more and more inputs
Many lower-income countries do, but high and middle-income countries have reduced fertilisers, pesticides, labour, and land without reducing food…
Jul 28
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Hannah Ritchie
162
34
Population growth or decline will have little impact on climate change
It'll be too slow and too late for the timeframes that we need to decarbonise.
Jul 15
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Hannah Ritchie
178
128
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