But some companies are already edging closer to pre-Covid levels of flying, including pharmaceutical companies Merck and Johnson & Johnson, and financial giant JP Morgan Chase, new analysis by the Travel Smart campaign shows. Just under half of the world’s biggest companies did not return to 2019 levels of flying last year, a new study of business travel emissions finds. Of 217 companies analysed, 104 kept their air travel emissions to less than 50% between 2019 and 2022. (....)