Google pilots contrail-avoidance flights with Cathay, targets 40% cut in contrail warming impact

• Google launched an Asia-Pacific contrail-avoidance trial with Cathay Pacific to cut aviation’s climate impact from persistent contrails.
• More than 80 flights used revised routes, delivering an estimated 40% reduction in contrail warming impact based on satellite analysis.
• Program targets over 100 flights across Cathay’s network, focusing on small altitude changes guided by AI forecasts.
• Hong Kong–Singapore interventions generated over 50% of the trial’s total estimated emissions reductions.
• Second-phase scaling adds collaboration with Contrails.org to support broader research on operational feasibility across Asia and transpacific routes.

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