Sustainable aviation: what travelers should actually expect

If you booked a flight lately, you may have been offered a "greener" option at checkout. Here is the honest answer: aviation has real tools to cut emissions, but none of them makes a flight carbon-neutral today. The most promising one, sustainable aviation fuel, exists in limited supply and costs more than ordinary jet fuel. Offsets, the other thing you'll be sold, vary wildly in quality. So what should you expect? Expect incremental change, not transformation. Expect airlines to talk about their fuel mix more than they used to. And expect the burden of telling real programs from green-talk to sit with you, the traveler, for now. This guide explains which pieces are real and how to judge them. What does "sustainable" even mean here? Start with the word itself, because airlines use it loosely.

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