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The role of enhanced rock weathering deployment with agriculture in limiting future warming and protecting coral reefs

Meeting the net-zero carbon emissions commitments of major economies by mid century requires large-scale deployment of negative emission technologies (NETs). Terrestrial enhanced rock weathering on croplands (ERW) is a NET with co-benefits for agriculture, soils and ocean acidification that creates opportunities for generating income unaffected by diminishing carbon taxes as emissions approach net-zero. Here we show that ERW deployment with croplands to deliver net 2 Gt CO2 yr−1 removal approximately doubles the probability of meeting the Paris 1.5 ◦C target at 2100 from 23% to 42% in a high mitigation Representative Concentration Pathway 2.6 ...