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Justine Karst

Find our Sentientist Conversation on the Sentientism YouTube here and the Sentientism Podcast here.

Justine is Associate Professor at the University of Alberta in Canada. As an ecologist she studies the mycorrhizal ecology of forests. She is an Associate Editor for the Journal of Ecology and President of the International Mycorrhiza Society.

Justine has a naturalistic worldview, saying in our conversation “I’m not religious, I don’t believe there’s a god, but I am totally open to being wrong about that.” She tends towards an ecocentric moral scope but recognises the particular moral salience of sentience. She is working on putting that into practice.

Justine’s Karst Lab
Justine on BlueSky
Justine on Twitter

Latest work

Upper body shot of Joan Slonczewski sitting in a desk chair in an office, smiling towards the camera. Pin-board and computer screen in the background.

MurderBot, Non-violent Protest & Microbial Minds

Joan Slonczewski is a microbiologist at Kenyon College and a science fiction writer. A Sentientism worldview conversation about what's real, who matters and how to make a better world.
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MurderBot, Non-violent Protest & Microbial Minds

Joan Slonczewski is a microbiologist at Kenyon College and a science fiction writer. A Sentientism worldview conversation about what's real, who matters and how to make a better world.
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Teaching Compassion

Michelle St. John is founder and director of VinE (Veganism in Education). Heather Marshall is a Senior Lecturer and Religious Education PGCE Course Leader at Edge Hill University. A Sentientism conversation about what's real, who matters and how to make a better world.
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Sentientism Meet-Up 25 Oct 2025 (and some other updates)

An invitation to the second ever Sentientism meetup and some updates about our education work and a potential book!
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