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Justin Stewart

As seen in: Daily Mail, Financial Times, Nature, Wiley Online Library, Science Magazine, The Epoch Times, Cell Press, Inverse, Towards Data Science, This is Money and
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Articles

Earth's Fungal Highways — Happy Daze

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By Justin Stewart, Corentin Bisot, Rachael Cargill
| Happy Daze
A Living Web Beneath Our Feet Scoop up a teaspoon of healthy soil and you might be holding something astonishing: as much as ten meters of delicate fungal thread, quietly trading with plant roots. Scale that up, and the picture becomes almost cosmic. An international team has now produced the first global maps of arbuscular mycorrhizal fungal networks—the underground partnerships that link fungi to roughly 70 percent of plant species on Earth.
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How Much Does a Local LLM Actually Cost to Run? I Measured Every Watt on Apple Silicon

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By Justin Stewart
| Towards Data Science
on your own hardware is that it’s free. You bought the machine, the electricity is a rounding error, and every token after that is gravy. A recent Towards Data Science piece, How Much Does It Actually Cost to Run a Local LLM?, put a number on that gravy by sampling the power draw of an RTX 3090 and pricing it against a real electricity tariff. Its finding stuck with me: the most expensive model to run wasn’t the biggest one. Cost per token tracked throughput, not parameter count. I don’t have a 3090.
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Integrating indirect greenhouse gases into climate frameworks

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By Patrick Reilly, Ke-Ting Shin, Justin Stewart, Ilissa Ocko, Jean-Francois Lamarque, Jonathan M. Moch, Sam Abernethy, Tianyi Sun, Tom Grylls, Arindam Roy, Steven Hamburg, Rick Duke, Philip B. Duffy
| Science Magazine Verified
Abstract Supplementary Materials References and Notes Information & Authors Metrics & Citations Check Access References Figures Tables Media Share Abstract About 0.3°C, or 15%, of current climate warming relative to preindustrial levels lies outside most climate policies and accounting frameworks, because it is caused by non–greenhouse gas (GHG) emissions that fall beyond the traditional “GHG basket” established under the Kyoto Protocol (1).
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