On 18 June Green MP Caroline Lucas was strongly critical of the Heathrow Airport expansion plan published earlier that day in an article in The Guardian. “The bosses at Heathrow must have been visiting another planet last week, or else they missed the government memo about legislating for net zero emissions by 2050,” she began. “The plans unveiled today for a 50% expansion in the airport by 2050, including a third runway, all to be done in ‘a sustainable way’, take