We're wasting what airport capacity we have

When you can get a plane from London to Manchester, it's difficult to argue there's a squeeze on airport capacity.

Tim Yeo, in his argument about why we should have a third runway at Heathrow, chose to focus – at least in part – on the paucity of British flights to China:

What better way to kick-start Britain’s sluggish economy than by boosting trade with China? Perhaps with Chongqing, with 28 million consumers, many enjoying rising incomes. Or Chengdu, with 14 million. Or how about Wuhan, with 10 million? We could not only boost exports – we currently sell more to Ireland than to China, whose population is 250 times bigger – but might also tap into the bulging coffers of the Chinese for some job-creating investment in Britain.

There’s just one problem: you can’t fly directly to those three cities. Getting to and from China is harder from Britain than from our competitors. Frankfurt and Charles de Gaulle fly twice as many flights to twice as many destinations as Heathrow. The problem is so acute that the Chinese government is pressing for more slots at our flagship airport.

There are a number of things to point out here. One is the idea that we ought to be trading more with China than Ireland, when trade is – inevitably – geographically focused. We are, after all, far more than 250 times closer to Ireland than China (I would say we are infinitely closer to Ireland than China, sharing, as we do, a border with them, but then a mathematician might hurt me).

A second is the measurement of Frankfurt and Charles de Gaulle's capacity by looking at flights and destinations, rather than simple capacity. If Heathrow split all its flights to Beijing across the 160 Chinese cities with populations over one million, it would serve more destinations, but it would also become markedly harder to get to Beijing itself.

But the thing I really want to point out to Yeo is that if we want to have more capacity, one really easy thing to do is stop flying from London to bloody Manchester.

The One World Alliance – the consortium of Airlines which includes British Airways – flies to nine British destinations from London. Two of them – the Isle of Man and Belfast – really are relatively inaccessible because of the Irish sea; but two other destinations, Paris and Brussels, are connected by a direct rail route from the capital. And that's not even getting started on all the other European destinations which are easily accessible via rail.

Obviously, an airport which carries a tiny jet to Manchester may not be able to take a 747 heading for Chengdu. But it could take a plane flying to Nice, freeing up that slot for a flight to Cairo, freeing up that slot — and so on.

What's more, Government policy is already starting to realign to this aim. HS2 will result a 170mph train service from London to Manchester and Leeds, and Deutsche Bahn will shortly begin running through services to Frankfurt am Main from Kings Cross St. Pancras. Plane travel still has the advantage of tax-free fuel, but – for now, at least – rail travel gets outright subsidies as well.

There is capacity in Heathrow, it's just being used terribly.

A surly policeman guards a sign. Photograph: Getty Images

Alex Hern is a technology reporter for the Guardian. He was formerly staff writer at the New Statesman. You should follow Alex on Twitter.

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The rise of the green mayor – Sadiq Khan and the politics of clean energy

At an event at Tate Modern, Sadiq Khan pledged to clean up London's act.

On Thursday night, deep in the bowls of Tate Modern’s turbine hall, London Mayor Sadiq Khan renewed his promise to make the capital a world leader in clean energy and air. Yet his focus was as much on people as power plants – in particular, the need for local authorities to lead where central governments will not.

Khan was there to introduce the screening of a new documentary, From the Ashes, about the demise of the American coal industry. As he noted, Britain continues to battle against the legacy of fossil fuels: “In London today we burn very little coal but we are facing new air pollution challenges brought about for different reasons." 

At a time when the world's leaders are struggling to keep international agreements on climate change afloat, what can mayors do? Khan has pledged to buy only hybrid and zero-emissions buses from next year, and is working towards London becoming a zero carbon city.

Khan has, of course, also gained heroic status for being a bête noire of climate-change-denier-in-chief Donald Trump. On the US president's withdrawal from the Paris Agreement, Khan quipped: “If only he had withdrawn from Twitter.” He had more favourable things to say about the former mayor of New York and climate change activist Michael Bloomberg, who Khan said hailed from “the second greatest city in the world.”

Yet behind his humour was a serious point. Local authorities are having to pick up where both countries' central governments are leaving a void – in improving our air and supporting renewable technology and jobs. Most concerning of all, perhaps, is the way that interest groups representing business are slashing away at the regulations which protect public health, and claiming it as a virtue.

In the UK, documents leaked to Greenpeace’s energy desk show that a government-backed initiative considered proposals for reducing EU rules on fire-safety on the very day of the Grenfell Tower fire. The director of this Red Tape Initiative, Nick Tyrone, told the Guardian that these proposals were rejected. Yet government attempts to water down other EU regulations, such as the energy efficiency directive, still stand.

In America, this blame-game is even more highly charged. Republicans have sworn to replace what they describe as Obama’s “war on coal” with a war on regulation. “I am taking historic steps to lift the restrictions on American energy, to reverse government intrusion, and to cancel job-killing regulations,” Trump announced in March. While he has vowed “to promote clean air and clear water,” he has almost simultaneously signed an order to unravel the Clean Water Rule.

This rhetoric is hurting the very people it claims to protect: miners. From the Ashes shows the many ways that the industry harms wider public health, from water contamination, to air pollution. It also makes a strong case that the American coal industry is in terminal decline, regardless of possibile interventions from government or carbon capture.

Charities like Bloomberg can only do so much to pick up the pieces. The foundation, which helped fund the film, now not only helps support job training programs in coal communities after the Trump administration pulled their funding, but in recent weeks it also promised $15m to UN efforts to tackle climate change – again to help cover Trump's withdrawal from Paris Agreement. “I'm a bit worried about how many cards we're going to have to keep adding to the end of the film”, joked Antha Williams, a Bloomberg representative at the screening, with gallows humour.

Hope also lies with local governments and mayors. The publication of the mayor’s own environment strategy is coming “soon”. Speaking in panel discussion after the film, his deputy mayor for environment and energy, Shirley Rodrigues, described the move to a cleaner future as "an inevitable transition".

Confronting the troubled legacies of our fossil fuel past will not be easy. "We have our own experiences here of our coal mining communities being devastated by the closure of their mines," said Khan. But clean air begins with clean politics; maintaining old ways at the price of health is not one any government must pay. 

'From The Ashes' will premiere on National Geograhpic in the United Kingdom at 9pm on Tuesday, June 27th.

India Bourke is an environment writer and editorial assistant at the New Statesman.

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