Liz Truss, Boris Johnson and Theresa May are among the Conservative MPs who have accepted more than £275,000 in donations-in-kind from airport operators, while Conservative Party HQ has also taken more than £13,500 in donations from airport operators. It comes as the government signals its backing for airport expansions, in contrast with advice from its own climate advisers that adding runways to Heathrow and Gatwick would be incompatible with the UK’s net zero goals.