Can the UK expand airports and still hit climate targets?

Plans for a second runway at Gatwick have been approved by the government, making it the latest in a string of planned UK airport expansions to receive support. The Gatwick decision could lead to an extra 100,000 flights per year. If Heathrow gets permission to build a third runway - which the government has said it backs - that could mean another 276,000 flights a year, with approval for an expansion of Luton airport also potentially adding tens of thousands. If such large expansions are to take place while meeting the target of becoming net zero by 2050, big reductions...