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David Watson 🥑
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Judy Savitskaya
@heyjudka
CarbonRun adds crushed limestone to acidified rivers, raising their pH. As river pH increases, atmospheric carbon is removed and stored permanently in mineral form in the ocean.
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Judy Savitskaya
@heyjudka
CarbonRun has a credible, near-term trajectory to less than $100/t. Limestone is widely available and cheap. Limestone dosers are a simple, inexpensive and proven technology which makes R&D costs minimal. They’re easy to operate and can largely be automated, limiting labor costs.
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Judy Savitskaya
@heyjudka
MRV is tractable! Rivers allow for direct measurement of the water's chemistry to be taken both upstream and downstream of a treatment point. This allows for CO₂ removal to be measured directly without having to rely on nascent scientific models.
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Judy Savitskaya
@heyjudka
River liming was originally developed as a conservation practice, helping restore river chemistry and improve salmon stock in acidified rivers. Its long history provides us with data and comfort about its safety for river ecosystems. 🏞️🌏
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John Q Public
@freeintheforest
Wow! Only $3.5trillion to offset current CO2 production from fossil fuels alone. Who's paying? Exxon/Shell/TE/Chevron's net income was $150billion (both from 2022) Don't see any info on how this liming affects the ecology of rivers & oceans beyond salmon & shellfish
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@humandataincome
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