Amidst the noise of the day-to-day debates, we have lost sight of the simple logic of the advice coming from the world’s top climate scientists. Despite the uncertainties in the details, the science carries one underlying message from which we can draw only one rational conclusion.
It is time to declare a global emergency and mobilise all available resources, political will and human ingenuity towards one task – to reduce the risk of catastrophic climate change to an acceptable level.
Today, we are releasing a paper detailing our response to this conclusion. ‘The One Degree War Plan’ began to take form a few years ago, the product of a challenging conversation between myself and Professor Jorgen Randers. Jorgen, a lifelong advocate for action on sustainability, rose to prominence in 1972 as one of the original authors of the Club of Rome’s famous “Limits to Growth”, the bestselling environmental book of all time – over 30 million copies in 37 different languages.
Jorgen and I had both accepted the scientific reality and were discussing the question it posed – what would a rational response to the climate science look like? If you stripped away all the politics and debate and took a fresh look, what would be the logical action plan?
In 2008, after many more such conversations, we decided that we needed to articulate our answer to that question, in detail and on paper.
We started by considering what the science meant, in human terms. This was the simple part, as the peer-reviewed climate science is very clear on the level of risk. There is a high degree of certainty that humanity will face severe disruption to the global economy and society, with widespread economic damage, geopolitical instability and human suffering. Perhaps more importantly, there is a lower but still material risk of catastrophic collapse and tipping points being past that would see the effective collapse of our current civilisation and economy. Once this was understood, we could begin to consider what a logical response to this level of risk would be.
But before we got there, we made another initial but fundamental conclusion: that the momentum in the climate system is now so great that the world will, before long, wake up to a threat of this magnitude. It will recognise that despite the remaining uncertainties, we cannot afford to risk the collapse of the global economy and civilisation. Thus an appropriate response – one that recognises the science and the true scale of the risk – will occur.
When this emergency response is designed, we concluded it would need to aim to bring warming below 1 degree, and therefore, CO2e concentrations below 350ppm. Anything less would leave civilisation at too great a risk of catastrophe, and would therefore be irrational. Our remaining task was then to develop a plan of action that was capable of achieving this outcome.
The attached paper is the result. It has taken over a year of development and research, including considerable feedback from colleagues and modelling by C-Roads, the climate simulator developed by MIT, the Sustainability Institute and Ventana Systems.
We were actually surprised by the outcome of our work, which showed that not only is One Degree and 350ppm possible, it is surprisingly achievable and practical. It certainly requires that we act very soon and that we act with a level of determination and commitment not seen since WWII, but it can be achieved. In recognition of this comparison, we called our paper The One Degree War Plan. It is a plan that shows what humanity can achieve – and we believe will achieve – when it develops a rational response to the climate threat.
We are releasing our paper for public reaction and comment, because we recognise that this is not an intellectual exercise. A response like the One Degree War Plan, if it is to be implemented, is going to require years of development by global experts across many disciplines. It will also require strong public support globally if our political leaders are to have the courage to adopt such an approach. This in turn will only happen if many millions of people engage and decide that, in the end, we are a rational species and this is the way forward we consciously choose to take.
Building a robust plan and the support to implement it is of course an enormous task. So we think now is a good time to start.
We encourage you to consider this paper, to circulate it amongst your networks and to help us together build the courage we need to face reality.