Has global warming stopped?

'The global temperature of 2007 is statistically the same as 2006 and every year since"

'The fact is that the global temperature of 2007 is statistically the same as 2006 and every year since 2001'. Plus read Mark Lynas's response

Global warming stopped? Surely not. What heresy is this? Haven’t we been told that the science of global warming is settled beyond doubt and that all that’s left to the so-called sceptics is the odd errant glacier that refuses to melt?

Aren’t we told that if we don’t act now rising temperatures will render most of the surface of the Earth uninhabitable within our lifetimes? But as we digest these apocalyptic comments, read the recent IPCC’s Synthesis report that says climate change could become irreversible. Witness the drama at Bali as news emerges that something is not quite right in the global warming camp.

With only few days remaining in 2007, the indications are the global temperature for this year is the same as that for 2006 – there has been no warming over the 12 months.

But is this just a blip in the ever upward trend you may ask? No.

The fact is that the global temperature of 2007 is statistically the same as 2006 as well as every year since 2001. Global warming has, temporarily or permanently, ceased. Temperatures across the world are not increasing as they should according to the fundamental theory behind global warming – the greenhouse effect. Something else is happening and it is vital that we find out what or else we may spend hundreds of billions of pounds needlessly.

In principle the greenhouse effect is simple. Gases like carbon dioxide present in the atmosphere absorb outgoing infrared radiation from the earth’s surface causing some heat to be retained.

Consequently an increase in the atmospheric concentration of greenhouse gases from human activities such as burning fossil fuels leads to an enhanced greenhouse effect. Thus the world warms, the climate changes and we are in trouble.

The evidence for this hypothesis is the well established physics of the greenhouse effect itself and the correlation of increasing global carbon dioxide concentration with rising global temperature. Carbon dioxide is clearly increasing in the Earth’s atmosphere. It’s a straight line upward. It is currently about 390 parts per million. Pre-industrial levels were about 285 ppm. Since 1960 when accurate annual measurements became more reliable it has increased steadily from about 315 ppm. If the greenhouse effect is working as we think then the Earth’s temperature will rise as the carbon dioxide levels increase.

But here it starts getting messy and, perhaps, a little inconvenient for some. Looking at the global temperatures as used by the US National Oceanic and Atmospheric Administration, the UK’s Met Office and the IPCC (and indeed Al Gore) it’s apparent that there has been a sharp rise since about 1980.

The period 1980-98 was one of rapid warming – a temperature increase of about 0.5 degrees C (CO2 rose from 340ppm to 370ppm). But since then the global temperature has been flat (whilst the CO2 has relentlessly risen from 370ppm to 380ppm). This means that the global temperature today is about 0.3 deg less than it would have been had the rapid increase continued.

For the past decade the world has not warmed. Global warming has stopped. It’s not a viewpoint or a sceptic’s inaccuracy. It’s an observational fact. Clearly the world of the past 30 years is warmer than the previous decades and there is abundant evidence (in the northern hemisphere at least) that the world is responding to those elevated temperatures. But the evidence shows that global warming as such has ceased.

The explanation for the standstill has been attributed to aerosols in the atmosphere produced as a by-product of greenhouse gas emission and volcanic activity. They would have the effect of reflecting some of the incidental sunlight into space thereby reducing the greenhouse effect. Such an explanation was proposed to account for the global cooling observed between 1940 and 1978.

But things cannot be that simple. The fact that the global temperature has remained unchanged for a decade requires that the quantity of reflecting aerosols dumped put in our atmosphere must be increasing year on year at precisely the exact rate needed to offset the accumulating carbon dioxide that wants to drive the temperature higher. This precise balance seems highly unlikely. Other explanations have been proposed such as the ocean cooling effect of the Interdecadal Pacific Oscillation or the Atlantic Multidecadal Oscillation.

But they are also difficult to adjust so that they exactly compensate for the increasing upward temperature drag of rising CO2. So we are led to the conclusion that either the hypothesis of carbon dioxide induced global warming holds but its effects are being modified in what seems to be an improbable though not impossible way, or, and this really is heresy according to some, the working hypothesis does not stand the test of data.

It was a pity that the delegates at Bali didn’t discuss this or that the recent IPCC Synthesis report did not look in more detail at this recent warming standstill. Had it not occurred, or if the flatlining of temperature had occurred just five years earlier we would have no talk of global warming and perhaps, as happened in the 1970’s, we would fear a new Ice Age! Scientists and politicians talk of future projected temperature increases. But if the world has stopped warming what use these projections then?

Some media commentators say that the science of global warming is now beyond doubt and those who advocate alternative approaches or indeed modifications to the carbon dioxide greenhouse warming effect had lost the scientific argument. Not so.

Certainly the working hypothesis of CO2 induced global warming is a good one that stands on good physical principles but let us not pretend our understanding extends too far or that the working hypothesis is a sufficient explanation for what is going on.

I have heard it said, by scientists, journalists and politicians, that the time for argument is over and that further scientific debate only causes delay in action. But the wish to know exactly what is going on is independent of politics and scientists must never bend their desire for knowledge to any political cause, however noble.

The science is fascinating, the ramifications profound, but we are fools if we think we have a sufficient understanding of such a complicated system as the Earth’s atmosphere’s interaction with sunlight to decide. We know far less than many think we do or would like you to think we do. We must explain why global warming has stopped.

David Whitehosue was BBC Science Correspondent 1988–1998, Science Editor BBC News Online 1998–2006 and the 2004 European Internet Journalist of the Year. He has a doctorate in astrophysics and is the author of The Sun: A Biography (John Wiley, 2005).] His website is www.davidwhitehouse.com

Michael Frith for New Statesman.
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Kezia Dugdale on the decline of Scottish Labour: “Nobody knew what we were for”

The Lothian MSP has just taken on the toughest job in politics – leading Scottish Labour against the SNP.

Coming in to Edinburgh on the airport shuttle bus, you pass the city’s zoo, festooned with ­posters for its star attractions, Tian Tian and Yang Guang. The old joke used to be that there were more pandas in Scotland than Tory MPs. Since the early hours of 8 May, however, that axiom applies to ­Labour and the Liberal Democrats, too.

How can Labour recover from the loss of 40 of its Scottish seats? The task falls to Kezia Dugdale, the 33-year-old elected on 15 August as the sixth leader of Scottish Labour in eight years. In May, she was at a TV studio when the general election exit poll was announced and neither she, the Scottish Tory leader Ruth Davidson, nor the Lib Dems’ Willie Rennie could believe it. But by the time she reached Labour’s headquarters on Bath Street in Glasgow, and watched a five-figure majority in Rutherglen and Hamilton West get swept away, she knew the party had suffered a wipeout. “I watched Jim Murphy lose his seat and he joined us not too long after that, and then Brian Roy [Scottish Labour’s general secretary], watched his dad lose his seat,” she tells me. “The atmosphere was just deathly quiet.”

Small wonder the scene was funereal. Labour once dominated Scottish politics effortlessly – in fact, the effortlessness may have been the problem, because the party became complacent and its electoral machine was rusty with underuse. Now, Labour gets kicking after kicking. On 14 August there were swings to the SNP of over 20 per cent in council by-elections in Falkirk and in Wishaw, Lanarkshire. Similar swings were recorded earlier in the month in Glasgow and last month in Aberdeen.

At this point, the drubbing Labour is receiving reminds me of that clip from The Simpsons where a child shouts: “Stop! Stop! He’s already dead!” The party has been routed at Westminster and it seems likely to lose all its constituency MSPs at next year’s Holyrood elections, too. Its survival there would then depend on the vagaries of the D’Hondt system, which will award Labour a few dozen list MSPs, based on its total vote share. (The SNP could do so well in some constituencies that it won’t get topped up with any list MSPs.)

What can Kezia Dugdale do to arrest the party’s decline? It feels as though everyone I speak to is more dejected than the last. “The crucial thing is to regain permission to be heard,” says David Torrance, the biographer of Alex Salmond and Nicola Sturgeon. “That was lost during the referendum debate and wasn’t regained during the election.” Stephen Daisley, STV’s digital political correspondent, adds: “Labour lacks a coherent narrative. A stray cat could tell you what the SNP stands for: protecting Scotland from wicked Westminster. Put two Labour supporters in a room – more and more of an ask in Scotland – and you’ll get three opinions on what the party’s message is.”

According to Dugdale, Willie Rennie often runs up Arthur’s Seat and back at lunchtime, such is the proximity of the old peak to the Scottish Parliament. Her own uphill struggle is no less daunting. When I ask her how far back Labour’s problems go, she laughs: “We’re only here for an hour!” She says that “2007 was the warning sign, because we shouldn’t have lost that . . . Some people might even say 2003 because we started to look like caretakers.”

She says the blame for the party’s present predicament should not fall on any individual or policy, but does criticise the 2015 manifesto. “There were 160 different policies in our manifesto in Scotland . . . 160 policies and nobody knew what we were for.” The road back to credibility lies in outlining the ethos behind Scottish Labour. As she puts it: “What we did was say, ‘This is what we’re going to do with policies . . .’ Barely if ever did we tell people why.”

Here, Dugdale faces a huge disadvantage against the SNP leadership, which has a simple answer to most questions: more powers for Scotland. “What is galling for Scottish Labour is that attempts to hold ministers to account are branded unpatriotic,” Daisley says. “‘Stop talking down Scotland’ is the nationalists’ favourite response. The challenge for Labour is that Scottish voters might now be voting on their national ambitions rather than policy. Scottish Labour is talking about service delivery. The SNP is waving a flag. Flags always win.”

The election of Jeremy Corbyn as Labour’s leader in Westminster may pose an intriguing problem for the SNP, which ran in May on an anti-austerity platform (although the IFS found its manifesto was more fiscally conservative than Labour’s). Many former Scottish Labour supporters say they now back the SNP because of that stance. But if Labour is also anti-austerity, will any of those voters come back? “The idea a Corbyn-led Labour Party can help it recover in Scotland is, I am afraid, for the birds,” the Spectator’s Alex Massie wrote on Twitter recently. Another centre-right commentator told me: “It’ll be like Canada, post-referendum. The SNP are like the Bloc Québécois; people will vote for them to represent Scotland’s interests at Westminster.”

The SNP now also has the advantage of the staff and infrastructure that come with 56 Westminster MPs. “We’ve gone from 41 to one, against a juggernaut of 56 whose raison d’être is to get an independent Scotland,” says Labour’s only remaining MP in Scotland, Ian Murray. He feels the press is hostile, too, and argues that “some of the media in Scotland would rather continue to attack Labour than hold the SNP or Tory government to account”. He must surely be thinking of the National, a bruisingly partisan publication that specialises in grotesque photoshopped cover pictures. Recent highlights include Boris Johnson as the Joker and Tim Farron as Frankenstein.

I ask Dugdale how she plans to cope with abuse on social media. “I’ve never really let it affect me, because I just feel sorry for the people who live on the internet in the middle of the night,” she says. “The most powerful button in the world is the mute button.” It helps that her close friends work in politics. “I can’t just go home at 6pm and drink a bottle of wine. Sometimes I have to do things at the last minute. Sometimes, despite making plans, you have to cancel. Normal people don’t think that’s cool.”

She also gets occasional support from the other two main party leaders, Sturgeon of the SNP and the Tories’ Davidson. Having three women at the top of Scottish politics does not make things “less aggressive, just different. It’s undoubtedly different. There’s a degree of camaraderie between the three of us.” That said, she is unimpressed by the others’ criticisms of my New Statesman piece on childlessness in politics. “They saw the outrage and went with it. In my gut, I don’t think either of them had read the full article before they commented on the front cover . . . Ruth Davidson is not a feminist and Nicola Sturgeon is a late convert, in my view.”

Dugdale has been involved in politics for only a decade. She is not from a political family, though her father Jeff, once a Tory supporter, is now an SNP member who likes to wind his daughter up on Twitter. She joined Labour when, after graduating in law, she found herself unemployed and wondering what to do with her life. “I had no great drive to do law other than watching a lot of Ally McBeal,” she says now. “I thought that everyone who did law just had unisex loos, went to the piano bar at night and spent their entire life in the courtroom.”

Instead, she ended up, aged 23, “on the sofa in our pyjamas watching Trisha” with a flatmate who was a member of the Labour Party and encouraged her to get involved in politics. She found that she was a good election agent, and in 2011 she acted as a key seat organiser with a place on the regional list. “I was expecting to wake up the day after the 2011 election unemployed, with a pretty decent redundancy package and a summer to work out what I was going to do with the rest of my life. I woke up as an MSP.”

She knows that many observers believe there is no way back for Scottish Labour. Her hopes rest on a few calculations: the first is that the SNP leadership (with the exception of Salmond) doesn’t want to push for a second referendum too soon, yet its activists might try to get it into the 2016 manifesto. “It’s an incredibly difficult call for Nicola Sturgeon, because it’s what her 100,000 party members want but it’s not what the country wants,” Dugdale says. “We were told this was a once-in-a-lifetime, once-in-a-generation opportunity. I was 33 when they told me that, and I’m still 33 and they’re changing the rules.”

The second is that the SNP has now governed Scotland for eight years, four of those with a majority, and at some point Scottish voters might treat them as incumbents rather than insurgents. As Murray puts it: “What gives me a little bit of hope for the 2016 election is that they’re going to have to start answering for their own pretty abysmal record.” He thinks that grumbles about public services (the police, the NHS, the justice system) might finally boil over; Dugdale’s own focus will be on education. She says this policy area is “integral to battling poverty and inequality in all its forms”, and it can’t hurt that Scotland’s primary schools are full of children who have never known anything other than SNP rule.

Intelligent, funny, hard-working, well-liked and – well, normal (her trashy telly ­anecdotes were clearly real, rather than focus-grouped to make her sound “authentic”), Kezia Dugdale is an impressive politician. But she is under no illusions about how hard her job will be. As she puts it: “There were lots of people saying, ‘Don’t stand, because you’ll have a crap election in 2016, it’s inevitable, and then they’ll have your head and that’ll be you done.’”

Helen Lewis is deputy editor of the New Statesman. She has presented BBC Radio 4’s Week in Westminster and is a regular panellist on BBC1’s Sunday Politics.

This article first appeared in the 20 August 2015 issue of the New Statesman, Corbyn wars