Business travel last year approached pre-pandemic levels but trailed behind leisure trips, as geopolitical conflicts and a slower rebound in key markets hindered full recovery. Emissions from corporate flights by 26 major tech companies analysed by Travel Smart, a campaign led by Transport & Environment (T&E) dropped by an average of 49% in 2023, it found. While this shows that many tech firms are on the right path, only seven have set specific reduction targets that are essential to keeping business flight numbers in check, T&E said.