Boris Johnson's climate change "scepticism" is an embarrassment to London's scientists

The Mayor's suggestion that we are heading for a "mini Ice Age"shows that he does not understand the basic science behind global warming.

Boris Johnson has become a real embarrassment to London's scientific community after his latest outburst of climate change ‘scepticism’, which exposes not just a glaring weakness in his own knowledge but also within his team of advisers.

On Monday, Johnson used his Telegraph column to muse on the global climatic implications of a few days of wintry weather in the UK in January. He concluded that it might be time for policy-makers to consider whether the earth is heading for a "mini Ice Age".

This is complete rubbish, of course, and shows not only that Johnson does not understand the basic science behind global warming but also that he cannot distinguish between anecdote and evidence, or between weather and climate.

Claiming to be "an empiricist", Johnson suggested that this is "the fifth year in a row that we have had an unusual amount of snow" and that "I don’t remember winters like this". Unfortunately, his commitment to observational analysis apparently does not extend to consulting the Met Office’s records, which would have shown him that although the average temperatures in the UK during winters 2008-09, 2009-10 and 2010-11 were below average, last winter was actually warmer than average, as were most winters since 2000.

Furthermore, he would have discovered that the UK’s climate bears the unmistakeable footprint of global warming, with the seven warmest years on record all occurring since 2000. So why does the Mayor claim we are experiencing global cooling?

Well, it seems that the only person Johnson consults on this issue is his friend Piers Corbyn, who rejects the overwhelming evidence that rising atmospheric levels of greenhouse gases is driving the unambiguous rise in global average temperatures, and instead holds the sun directly responsible for trends in the Earth’s climate.

The trouble with Dr Corbyn’s theory, which he has not published in any peer-reviewed scientific journal, is that it is not supported by evidence. He does not even believe that the earth’s climate is controlled by the amount of energy radiated from the sun, but instead blames its magnetic activity, which increases and decreases cyclically about every 11 years and so clearly cannot be the main driver of global warming.

Johnson’s description of Dr Corbyn’s theory is an almost verbatim reproduction from one of his earlier columns last July (clearly the £250,000 he is allegedly paid each year is not high enough to guarantee original content for its readers), and is punctuated with references to JMW Turner, Shakespeare and the Aztecs, but largely devoid of scientific insight.

This latest gaffe follows his decision last year to invite Matt Ridley, a prominent climate change ‘sceptic’ and former chairman of Northern Rock, to speak at City Hall about how environmental risks are overblown, as part of the cultural celebration that accompanied the Olympics.

Perhaps we should not be surprised by all this given the complete lack of scientific education that Johnson has received. However, the Mayor has to take scientific evidence and expert knowledge into account when making many important decisions, not the least of which is how to adapt the capital’s transport system and infrastructure to withstand the impacts of global warming. He should not be relying on the fanciful theories of friends when it comes to issues that affect the lives and livelihoods of Londoners.

Johnson should make better use of the fact that the capital is home to many world class universities and scientific societies where he could consult genuine experts, most of whom now cringe every time he holds forth about climate change. But it is also time that the Mayor of London followed the example of central government departments by adding a professional and credible chief scientific adviser to his team.

Mayor of London Boris Johnson gestures as he addresses students at The Indian School of Business (ISB) campus in Hyderabad on November 28, 2012. Photograph: Getty Images.

Bob Ward is policy and communications director of the Grantham Research Institute on Climate Change and the Environment at London School of Economics and Political Science.

Photo: Getty
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Ken Livingstone says publicly what many are saying privately: tomorrow belongs to John McDonnell

The Shadow Chancellor has emerged as a frontrunner should another Labour leadership election happen. 

“It would be John.” Ken Livingstone, one of Jeremy Corbyn’s most vocal allies in the media, has said publicly what many are saying privately: if something does happen to Corbyn, or should he choose to step down, place your bets on John McDonnell. Livingstone, speaking to Russia Today, said that if Corbyn were "pushed under a bus", John McDonnell, the shadow chancellor, would be the preferred candidate to replace him.

Even among the Labour leader’s allies, speculation is rife as to if the Islington North MP will lead the party into the 2020 election. Corbyn would be 71 in 2020 – the oldest candidate for Prime Minister since Clement Attlee lost the 1955 election aged 72.

While Corbyn is said to be enjoying the role at present, he still resents the intrusion of much of the press and dislikes many of the duties of the party leader. McDonnell, however, has impressed even some critics with his increasingly polished TV performances and has wowed a few sceptical donors. One big donor, who was thinking of pulling their money, confided that a one-on-one chat with the shadow chancellor had left them feeling much happier than a similar chat with Ed Miliband.

The issue of the succession is widely discussed on the left. For many, having waited decades to achieve a position of power, pinning their hopes on the health of one man would be unforgivably foolish. One historically-minded trade union official points out that Hugh Gaitskell, at 56, and John Smith, at 55, were 10 and 11 years younger than Corbyn when they died. In 1994, the right was ready and had two natural successors in the shape of Tony Blair and Gordon Brown in place. In 1963, the right was unprepared and lost the leadership to Harold Wilson, from the party's centre. "If something happens, or he just decides to call it a day, [we have to make sure] it will be '94 not '63," they observed.

While McDonnell is just two years younger than Corbyn, his closest ally in politics and a close personal friend, he is seen by some as considerably more vigorous. His increasingly frequent outings on television have seen him emerge as one of the most adept media performers from the Labour left, and he has won internal plaudits for his recent tussles with George Osborne over the tax bill.

The left’s hopes of securing a non-Corbyn candidate on the ballot have been boosted in recent weeks. The parliamentary Labour party’s successful attempt to boot Steve Rotheram off the party’s ruling NEC, while superficially a victory for the party’s Corbynsceptics, revealed that the numbers are still there for a candidate of the left to make the ballot. 30 MPs voted to keep Rotheram in place, with many MPs from the left of the party, including McDonnell, Corbyn, Diane Abbott and John Trickett, abstaining.

The ballot threshold has risen due to a little-noticed rule change, agreed over the summer, to give members of the European Parliament equal rights with members of the Westminster Parliament. However, Labour’s MEPs are more leftwing, on the whole, than the party in Westminster . In addition, party members vote on the order that Labour MEPs appear on the party list, increasing (or decreasing) their chances of being re-elected, making them more likely to be susceptible to an organised campaign to secure a place for a leftwinger on the ballot.

That makes it – in the views of many key players – incredibly likely that the necessary 51 nominations to secure a place on the ballot are well within reach for the left, particularly if by-election selections in Ogmore, where the sitting MP, is standing down to run for the Welsh Assembly, and Sheffield Brightside, where Harry Harpham has died, return candidates from the party’s left.

McDonnell’s rivals on the left of the party are believed to have fallen short for one reason or another. Clive Lewis, who many party activists believe could provide Corbynism without the historical baggage of the man himself, is unlikely to be able to secure the nominations necessary to make the ballot.

Any left candidate’s route to the ballot paper runs through the 2015 intake, who are on the whole more leftwing than their predecessors. But Lewis has alienated many of his potential allies, with his antics in the 2015 intake’s WhatsApp group a sore point for many. “He has brought too much politics into it,” complained one MP who is also on the left of the party. (The group is usually used for blowing off steam and arranging social events.)

Lisa Nandy, who is from the soft left rather than the left of the party, is widely believed to be in the running also, despite her ruling out any leadership ambitions in a recent interview with the New Statesman.However, she would represent a break from the Corbynite approach, albeit a more leftwing one than Dan Jarvis or Hilary Benn.

Local party chairs in no doubt that the shadow chancellor is profiling should another leadership election arise. One constituency chair noted to the New Statesman that: “you could tell who was going for it [last time], because they were desperate to speak [at events]”. Tom Watson, Caroline Flint, Chuka Umunna, Yvette Cooper, Andy Burnham and Liz Kendall all visited local parties across the country in preparation for their election bids in 2015.

Now, speaking to local party activists, four names are mentioned more than any other: Dan Jarvis, currently on the backbenches, but in whom the hopes – and the donations – of many who are disillusioned by the current leadership are invested, Gloria De Piero, who is touring the country as part of the party’s voter registration drive, her close ally Jon Ashworth, and John McDonnell.

Another close ally of Corbyn and McDonnell, who worked closely on the leadership election, is in no doubt that the shadow chancellor is gearing up for a run should the need arise.  “You remember when that nice Mr Watson went touring the country? Well, pay attention to John’s movements.”

As for his chances of success, McDonnell may well be even more popular among members than Corbyn himself. He is regularly at or near the top of LabourList's shadow cabinet rankings, and is frequently praised by members. Should he be able to secure the nominations to get on the ballot, an even bigger victory than that secured by Corbyn in September is not out of the question.

Stephen Bush is editor of the Staggers, the New Statesman’s political blog. He usually writes about politics.