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Platform Portability
Uses Substack subdomain (hannahritchie.substack.com). Migrating would require subscribers to re-subscribe at a new address.
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Using data and research to understand what really makes a difference.
Data updated 4 days ago
| Public |
| Receiving the Unwin AwardAnd you can get my book for 99p on Kindle for all of May!Apr 29, 2026 | Public |
| 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, 2026 | Public |
| An end to cervical cancer is possibleAnd some countries are already on track to do so.Apr 13, 2026 | Public |
| The UK is cutting its aid budget to the lowest level in decadesAfter pledging to increase the budget to 0.7% of GNI, the government is cutting it to 0.3%.Apr 1, 2026 | Public |
| 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, 2026 | Public |
| 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, 2026 | Public |
| Does that use a lot of energy? [Update]An interactive tool that lets you compare the energy consumption of various products and activities.Mar 3, 2026 | Public |
| My book is published in the US today, and I'm shortlisted for the Unwin AwardThree things for today.Feb 17, 2026 | Public |
The Intrinsic Perspective
70K subs
++0.7%/wk
Starts With A Bang
62K subs
The Roots of Progress
58K subs
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Subscriber counts are rounded by the platform — step changes may not reflect actual growth
Avg Comments
36.2
Avg Likes
200.4
Engagement Rate
0.33%· ~237 likes + comments/post
(comments + likes) / subscribers
Quality Score
Engagement vs Science
0.33% engagement rate
Score Breakdown
Engagement Score
vs 58 newsletters in Science
72K places you in the top 10% of newsletters in this category.
Engagement Rate
0.33%
median: 0.00%
Posts per Week
0.8
median: 0.8
Publishing Consistency
69/100
median: 63/100
Subscribers
72K
median: 2K
Publishing Frequency
Weekly
Last published May 5, 2026
0.8 posts/week avg
Science Pricing
$5/mo median
Your newsletter: Free
Monetization Readiness
Science newsletters typically start charging at ~2K subscribers
Above the typical threshold
100% of similar-size Science newsletters have paid tiers
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72.0K subscribers and 0.33% engagement — past the threshold where Science newsletters typically attract sponsors.