Expansion of Britain's Heathrow Airport ruled illegal on climate grounds

LONDON — The planned expansion of London’s Heathrow Airport was declared unlawful on environmental grounds by a court on Thursday, a ruling that could sink the $18 billion project that has been dogged by decades of dispute and indecision. In a victory for climate change campaigners, an appeal court judge said that building a third runway at Europe’s busiest airport was “legally fatal” because it did not take into account the government’s commitments on...