Heathrow’s long-dormant plan to build a third runway is back in the headlines, but not because the government has suddenly found the appetite for a fight over aviation expansion. Instead, environmental activists have beaten them to the courtroom. Today, campaigners lodged a legal challenge against the renewed push for the runway, arguing that it flies in the face of the UK’s legally binding climate commitments.
The challenge, brought by a coalition of groups including Plan B and Friends of the Earth, targets the government’s recent consultation on airport expansion. They claim that the updated Airports National Policy Statement, which effectively resurrects the third runway, fails to account for the UK’s net-zero emissions target. The protestors are seeking a judicial review, which could delay or even derail the project.
For working families in the shadow of Heathrow, this is not just an abstract environmental debate. The third runway has been a spectre haunting communities in west London for decades. Residents have endured noise, pollution and the threat of compulsory purchase orders for their homes. But the economic promise – more jobs, lower fares, a boost to trade – has always dangled just out of reach.
Yet the cost-of-living crisis has changed the calculus for many. A recent TUC report found that real wages in London have fallen by 3% since 2021. In the boroughs around Heathrow, unemployment is higher than the national average. Supporters argue the runway would create tens of thousands of jobs, many in construction and services that could lift families out of precarity.
But the environmental protestors say that is a false choice. “We don’t have to choose between decent jobs and a liveable planet,” said a spokesperson for Plan B. “A third runway would lock in decades of high-carbon flying, while the government drags its feet on investing in rail and green industries that could create more sustainable employment.”
The legal challenge also highlights the regional inequalities that fuel so much of the current political anger. Heathrow is a global hub, but the benefits of expansion have historically flowed to the already wealthy. Meanwhile, the North of England, where I come from, sees precious little of that aviation wealth. Our airports are smaller, our connectivity poorer, and our wages lower. It is hard to watch the government scramble to accommodate more flights for the south-east when rail links in the North are crumbling.
The Business Secretary has defended the runway revival as vital for “levelling up” and maintaining the UK’s status as a trading nation. But the numbers tell a different story. The Climate Change Committee has warned that any aviation expansion must be accompanied by radical cuts elsewhere. The government’s own carbon budgets are already at risk of being breached.
For the families I speak to every week, the issue is not about whether to fly or not. It is about whether their children will have the same opportunities as those in London. A third runway may make it cheaper for some to go on holiday, but it will do nothing to bring a bus route back to a village in Cumbria or reopen a factory in Lancashire.
The legal challenge is a reminder that the fight for the real economy – the one measured in wage slips and rent payments – is also a fight for the environment. The protestors are not just nimbys. They are standing up for the principle that growth should not come at the expense of the planet or the poorest.
As the case winds through the courts, the government must answer a fundamental question: whose economy is this runway for?








