British Airways passenger aircraft are pictured at London Heathrow Airport, west of London on May 3, 2019. - London Mayor Sadiq Khan, along with environmental charities and local councils, on May 1, 2019, lost a court battle to prevent an expansion of Heathrow, Britain&#39;s busiest airport. Opponents to the introduction of a third runway at the west London airport cite the negative impacts on noise and air pollution, habitat destruction, transport congestion, and climate change. (Photo by BEN STANSALL / AFP)        (Photo credit should read BEN STANSALL/AFP/Getty Images)