Skip to main content
. 2022 Jun 2;119(23):e2121705119. doi: 10.1073/pnas.2121705119

Table 3.

 Solution-specific results of total carbon removal and/or avoided emissions potential achievable between 2018 and 2060 for three scenarios

Solution name Mitigation potential low adoption GtCO2-eq (2018 to 2060) Mitigation potential plausible GtCO2-eq (2018 to 2060) Mitigation potential ambitious GtCO2-eq (2018 to 2060)
Carbon removal
Coastal wetlands protection 0.27 ± 0.00 0.57 ± 0.02 0.99 ± 0.02
Coastal wetlands restoration 0.71 ± 0.00 1.1 ± 0.01 1.4 ± 0.01
Macroalgae protection 0.93 ± 0.00 3.8 ± 0.12 4.7 ± 0.14
Macroalgae restoration 0.27 ± 0.00 1.1 ± 0.01 2.1 ± 0.02
Seaweed farming 0.06 ± 0.00 4.3 ± 0.04 8.1 ± 0.07
Carbon avoided emission
Coastal wetlands protection 0.67 ± 0.00 1.42 ± 0.04 2.71 ± 0.05
Seafloor protection 1.04 ± 0.40 3.9 ± 1.81 5.2 ± 2.46