Sustainability by numbers

Sustainability by numbers

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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.
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Hannah Ritchie
32
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.
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Hannah Ritchie
50
What's the carbon footprint of using ChatGPT?
Very small compared to most of the other stuff you do.
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Hannah Ritchie
80
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.
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Hannah Ritchie
30
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.
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Hannah Ritchie
37
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.
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Hannah Ritchie
18
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?
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Hannah Ritchie
25
Sustainability by numbers
Sustainability by numbers
Using data and research to understand what really makes a difference
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