Checks out so far.

“A 98-day river alkalinity-enhancement trial in Norway reported 250 ± 30 tonnes CO2-equivalent of gross carbon dioxide removal after adding 1,480 tonnes of calcite, with no significant increase in most measured adverse water-quality indicators apart from phosphate.”

2 of 4 review checks done · 1 counted · 1 by the author only

Supported · 0.9121 under ledger-default@0.3.0 at snapshot 27745 · review checks 1 of 4 · provisional until audited. The number is model-conditional, not a share of truth.