It's not safe to leave fossil fuels in the ground

Better to extract the fossil fuels, capture the carbon, and store that instead, says Professor Jon Gibbins.

I had the chance to speak to the University of Edinburgh's Professor of Power Plant Engineering and Carbon Capture, Jon Gibbins, last week, for a piece in next week's magazine. During the course of our interview, he focused heavily on an argument for using carbon capture and storage (CCS) technology which I hadn't heard before.

He said:

We've never really been short of fossil fuels. We thought we were, but really it's obvious, and maybe this gas business makes it painfully obvious that we're not short of fossil fuels. We are short of space in the atmosphere. And nobody knows what the climate response would be. There's a wide range of predictions, but there's enough fossil fuel to take you anywhere within that range of predictions that you want to go. And you really don't want to be sitting there having that experiment.

So as I say, we've got two choices, I think. We've got the choice of saying that renewables are so wonderful and cheap – or nuclear or anything else, or fusion – will be so cheap that we don't use the fossil fuels. They're just too easy to use. So we either sit there and keep on putting fossil carbon in the atmosphere, and see what happens, and then probably what happens is you realise it's not a good idea and you have to do things in a panic.

Now, maybe a few people would be doomed – or maybe more than a few – in that situation. Or, we say look, how much money are we spending on renewables? Even in our straitened times, quite a lot. How much would it cost to spend an equivalent amount of money on CCS? Well it wouldn't cost us a thing, actually. Because you're just shifting money from one low-carbon source to another. That's all. It's not energy costing money, it's just not spending all of it in one direction.

In other words, we ought to focus on CCS at least as much as – if not more than – renewables, not because they are better per se, but because they are better at constraining future action. Only if we burn fossil fuels with CCS can we be sure that the carbon they contain won't enter the atmosphere some other way.

If we build enough renewable energy capacity to supply our entire system, there are still fossil fuels ready to burn. The people who built the renewable capacity may not want to burn them – but what about the next government? Or the next generation?

The history of humanity is a history of ever increasing energy demand. As a result, we ought to assume that any un-used energy source won't stay that way for long. If we do assume that, then maybe the best thing to do isn't try to completely end our usage of fossil fuels, but to ensure that if we use fossil fuels, we only ever use them in a safe way (that is, with CCS technology).

There are two potential advantages to this: firstly, it gives us more time to prepare an energy system totally unreliant on fossil fuels, and secondly, it means that when we do switch to a renewable economy, there's no chance of freaking out and switching back.

The full interview with Professor Gibbins will be in the 4 November edition of the New Statesman.

The Sleipner gas platform, some 250 kms off Norway's coast in the North Sea. 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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Nobody's bargaining chips: How EU citizens are fighting back against Theresa May

Immigration could spike after Brexit, the Home Affairs select committee warned. 

In early July, EU citizens living in Scotland received some post from the First Minister, Nicola Sturgeon. The letters stated: “The immediate status of EU nationals living in Scotland has not changed and you retain all the same rights to live and to work here. I believe those rights for the longer term should be guaranteed immediately.”

The letters were appreciated. One Polish woman living on a remote Scottish island posted on social media: “Scottish Government got me all emotional yesterday.”

In reality, though, Sturgeon does not have the power to let EU citizens stay. That rests with the UK Government. The new prime minister, Theresa May, stood out during the Tory leadership contest for her refusal to guarantee the rights of EU citizens. Instead, she told Robert Peston: “As part of the [Brexit] negotiation we will need to look at this question of people who are here in the UK from the EU.”

As Home secretary in an EU member state, May took a hard line on immigration.  As PM in Brexit Britain, she has more powers than ever. 

In theory, this kind of posturing could work. A steely May can use the spectre of mass deportations to force a hostile Spain and France to guarantee the rights of British expat retirees. Perhaps she can also batter in the now-locked door to the single market. 

But the attempt to use EU citizens as bargaining chips may backfire. The Home Affairs select committee warned that continued policy vagueness could lead to a surge in immigration – the last thing May wants. EU citizens, after all, are aware of how British immigration policy works and understand that it's easier to turn someone back at the border than deport them when they've set up roots.

The report noted: “Past experience has shown that previous attempts to tighten immigration rules have led to a spike in immigration prior to the rules coming into force.”

It recommended that if the Government wants to avoid a surge in applications, it must choose an effective cut-off date for the old rules, whether that is 23 June, the date Article 50 is triggered, or the date the UK finally leaves the EU.

Meanwhile, EU citizens, many of whom have spent decades in the UK, are pursuing tactics of their own. UK immigration forms are busy with chatter of UK-based EU citizens urging one another to "get your DCPR" - document certifying permanent residence - and other paperwork to protect their status. More than 1,000 have joined a Facebook group to discuss the impact of the referendum, with hot topics including dual nationality and petitions for a faster naturalisation process. British citizens with foreign spouses are trying to make the most of the "Surinder Singh" loophole, which allows foreign spouses to bypass usual immigration procedures if their British partner is based in another EU country. 

Jakub, a classical musician originally from Poland, is already thinking of how he can stay in the UK, where there are job opportunities for musicians. 

But he worries that although he has spent half a decade in the UK, a brief spell two years ago back in Poland may jeopardise his situation.“I feel a new fear,” he said. “I am not sure what will happen next.”