Overview

• Prince Harry flew commercially from Los Angeles to Shanghai on May 27 to address the Envision 2025 conference, producing roughly 4.6 tonnes of CO2 equivalent per business-class seat and up to 6.3 tonnes in first-class estimates.
• Travalyst’s Travel Impact Model, developed in partnership with Google, Skyscanner and other tech platforms, aims to provide uniform carbon calculations for every flight on booking sites.
• Environmental groups including Greenpeace accuse the model of overlooking non-CO2 impacts such as contrails and broader life-cycle emissions, resulting in significantly lower estimates.
• Travalyst has updated the calculator to factor in additional greenhouse gases, cargo weighting and aircraft-specific variables, and plans further enhancements as aviation science evolves.
• A Travalyst spokesman stated that since its 2019 launch Prince Harry has only undertaken three overseas trips for the organization and conducts most meetings remotely to reduce travel emissions.