Ryanair is Europe’s top polluting airline for the third year in a row, a new study on 2023 aviation emissions by green group Transport & Environment (T&E) shows. Lufthansa and British Airways are the second and third biggest polluters, but are still below their pre-Covid levels of flying. Budget airlines Ryanair and Wizz Air polluted more than ever last year – far past their peak in 2019. Ryanair emitted 15 Mt of CO2 in 2023 – 23%…