The Ledger
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Chay: Soil carbon protocols broadly lack measurement, permanence, and additionality
“We did a really interesting review of all of the protocols, so all of the crediting rules that are currently used to issue credits to soil carbon in collaboration with Jane Zelikova, and basically, you know, you have these PDF documents that, maybe you have mu…”
Chay: California depleted its 100-year forest carbon wildfire buffer in 10 years
“Yeah, it's not all the way gone, but we've, we have used up all of the credits that were meant to protect against forest fires for the next 100 years in the first 10 years of the program.”
Chay: Protocols issue carbon credits for farming practices started a decade ago
“A lot of these protocols allow people to get credits for practices they started a while ago, like maybe up to 10 years ago.”
Chay: Soil offsets guarantee decades of storage against millennial fossil emissions
“Credits in the current market might represent anywhere from 10 years of carbon storage to, you know, maybe a couple of decades or at the very, very high end. In forests, but on soils, a hundred years. So you're talking about a really different time scale than …”
Chay: Stripe exclusively purchases carbon removal with at least 1,000-year durability
“Stripe is an example where they basically said, you know, we want to support permanent stuff because we know it's real and we know we need a lot more of it. So we're only going to buy stuff that represents a thousand plus years of durability.”