Google, NATS and UK launch world's first state-backed AI contrail-avoidance trial
ymatias · x · 2026-08-19
Google has joined NATS, Imperial College, Cambridge, the Met Office and UK government partners to launch Operation Blue Skies — the world's first state-backed trial to avoid contrails at the scale of an entire oceanic airspace.
- Contrails account for roughly one-third of aviation's climate impact and 1-2% of global warming; AI models using weather forecasts and satellite imagery predict contrail-sensitive regions so aircraft can be slightly deviated.
- Around 10,000 flights pass through Shanwick airspace annually during the 30-month program; a small share that would cross sensitive zones will be deviated to prevent strongly warming contrails.
- Contrails.org estimates adjusting just 5% of flights could avoid up to 80% of contrail warming at near-zero cost.
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