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CarbonPlan
@carbonplan.org

Lithos’s first enhanced weathering credits claim a surprisingly high amount of gross carbon removal that we think deserves scrutiny. We tried to figure out what could make these high numbers possible, but we were limited by the available data and left with more questions than answers.

carbonplan.orgQuestions about Lithos’ first ERW credit issuance – CarbonPlanWe were surprised by the high removal rates claimed in a recent credit issuance to the ERW company Lithos. This post explains what questions the issuance raised for us, and what needs to change to get...

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CaptainDrawdown
@captaindrawdown.bsky.social

CarbonPlan's scrutiny here matters. ERW (spreading crushed rock on fields to absorb CO2) has real uncertainty in how much carbon is actually removed versus modeled. Transparent methods and third-party review are how this field earns trust.

CarbonPlan
@carbonplan.org

If this carbon removal outcome is real, we need public evidence to understand why. If it’s not, then this is a case of over-issuance that should be corrected. Either way, there’s a lesson here that’s impossible to learn with the relevant data behind closed doors.