Predirections
Weekly future-focused writing on biodiversity, climate, and water for a changing world — by Prof. Jonathan Tonkin.
- Indexed issues, last 90 days
- 11
- Latest publication
- Sep 25, 2026
- Audience
- Checking…
- Earliest in this view
- Jul 24, 2026
Latest issues
How I read a scientific paper in 20 minutes (opens the original)
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A quick note: this post is a little different from my usual topics. But I hope you’ll still find something useful here. (And if you’re new, I mostly write about biodiversity, climate change, and water. Subscribe if that’s your thing!)Subscribe now<a class="image-link image2 is-viewable-img" href="https://substackcdn.com/image/fetch/$s_!K3cT!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic
Keeping different paths alive (opens the original)
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<img alt="" class="sizing-normal" height="1601" src="https://substackcdn.com/image/fetch/$s_!B7JG!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F73186508-0089-45de-82a4-72ba90528e4d_2818x3098.
Ghosts, debts, and credits (opens the original)
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<img alt="" class="sizing-normal" height="1093" src="https://substackcdn.com/image/fetch/$s_!Z8yz!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa84c5a77-54ab-4cd9-8f29-96f32c6f8556_4592x3448.
Rivers run on insurance. This summer tested it. (opens the original)
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<img alt="" class="sizing-normal" height="2760" src="https://substackcdn.com/image/fetch/$s_!kV1f!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff750af4e-8b82-401c-804c-c3553c2dafba_2070x2760.p
The Great Barrier Reef’s breaking point (opens the original)
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<img alt="a large group of fish swimming over a coral reef" class="sizing-normal" height="3000" src="https://images.unsplash.com/photo-1717292741615-4695bafa9663?crop=entropy&cs=tinysrgb&fit=max&fm=jpg&ixid=M3wzMD
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