Sustainability by numbers
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Under-the-hood of writing on Substack
Subscribers, revenue, and why more people should write long-form.
Jun 11
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Hannah Ritchie
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Under-the-hood of writing on Substack
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Eating wild animals might be sustainable for the few, but not for the many
Some back-of-the-envelope calculations on how many it could feed.
Jun 2
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Hannah Ritchie
108
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Sustainability by numbers
Eating wild animals might be sustainable for the few, but not for the many
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Why are solar panels and batteries from China so cheap?
It's more to do with automation and state-of-the art manufacturing processes than cheap labour.
May 15
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Hannah Ritchie
233
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Why are solar panels and batteries from China so cheap?
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What's the carbon footprint of using ChatGPT?
Very small compared to most of the other stuff you do.
May 6
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Hannah Ritchie
243
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What's the carbon footprint of using ChatGPT?
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Do imports of cheap solar panel and other technologies help or hurt domestic jobs in clean energy?
Without a comparative advantage, cheaper energy imports often help domestic jobs.
Apr 21
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Hannah Ritchie
132
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Do imports of cheap solar panel and other technologies help or hurt domestic jobs in clean energy?
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Many second-hand electric cars are cheaper up-front than their petrol equivalents
And no, it's not just for old ones that have done lots of miles.
Apr 3
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Hannah Ritchie
86
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Many second-hand electric cars are cheaper up-front than their petrol equivalents
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Could whales be a solution to climate change? Probably only a very small one.
The numbers don’t live up to some of the hype.
Mar 24
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Hannah Ritchie
104
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Could whales be a solution to climate change? Probably only a very small one.
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Some key insights from the UK Climate Change Committee’s Seventh Carbon Budget
What would it take for the UK to get to net-zero by 2050?
Mar 6
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Hannah Ritchie
108
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Some key insights from the UK Climate Change Committee’s Seventh Carbon Budget
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Sustainability by numbers
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