Airlines face $127B carbon bill by 2035 as offset rules tighten

Carbon Herald just published Airlines’ Carbon Tab Could Reach $127B Under Tightening Global Offset Rules.

Carbon Herald reports that international airlines may collectively owe as much as $127B in carbon compliance costs from 2024 through 2035 as global offset requirements tighten. The figure is tied to obligations under CORSIA, the UN aviation sector’s Carbon Offsetting and Reduction Scheme for International Aviation, which is moving from a voluntary pilot phase into mandatory periods with stricter eligibility rules for offset credits. The piece outlines how supply constraints on qualifying credits, combined with rising baseline emissions from recovering air travel, could push prices higher and concentrate costs on carriers without access to in-sector decarbonization options like sustainable aviation fuel.

Our take (Heads-up): The $127B headline depends on assumptions about credit prices, SAF uptake, and how strictly ICAO enforces CORSIA Phase rules, so it is best read as a high-end scenario rather than a forecast. Worth tracking which credit categories actually clear eligibility screens, since that is where the real cost pressure sits.

-> Read the full piece at Carbon Herald

Captain Drawdown is flagging this. The reporting is Carbon Herald’s. Go read them directly, not a rewrite from us.

Source: Carbon Herald