A new carbon dioxide removal report found that current efforts are not scaling fast enough to meet the levels assumed in climate pathways. Countries have pledged about 2.7 billion metric tons of carbon removal by 2035 and about 3.6 billion by 2050, while required amounts are higher, especially later in the century. Aviation’s 2050 net-zero target also faces pressure from shortages of sustainable aviation fuel, gaps in carbon-credit supply and policy mismatches, according to industry coverage ...

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