We really may have just 11 years to save the climate

Comment: As the crisis becomes dominated by urgent survival needs, the political window to prevent further climate change will close

(Photo: Pixabay)


“Eleven years to save the world” reads a common sign at the global Fridays for Future climate strikes.

Millions of people in over 100 countries, many of them too young to vote, have taken to the streets to demand governments radically increase efforts to fight climate change over the next decade.

But do we really have until just 2030 to avert climate catastrophe? While emphasising the importance of urgent action, scientists have tried to caveat this crude message. The Intergovernmental Panel on Climate Change (IPCC) says we need to halve global emissions by 2030 in order to have at least a one in two chance of limiting warming to 1.5C, the goal set by the 2015 Paris Agreement.

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The world will not “end” in 2030. But if we are not on a rapidly falling emissions pathway by that point, we are likely to blow through the 1.5C limit around 2040.

By that time, the climate strikers on the streets today will be entering middle age, starting families, rising up in their careers, and outvoting their irresponsible forebears. So can they not just solve the problem then?

Geophysically speaking, perhaps. Because carbon dioxide and other greenhouse gases linger in the atmosphere for decades or longer, what matters most is the total stock of emissions over time. That means sluggish action today could, in theory, be compensated for by aggressive action in the future. Accordingly, some oil and gas companies have shifted from denying climate change altogether to accepting incremental steps like modest carbon prices.

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But anyone advocating an incremental approach – which most governments are now following – is making a strong assumption not just about climate models, but about the politics of climate change in the middle of the 21st Century. In joint work with Jeff Colgan at Brown University and Jessica Green at the University of Toronto, my research is exploring how, as both climate change and decarbonisation advance over the next decades, climate politics will be increasingly existential. This change will shift governments’ focus from prevention to reaction.

To date, contestation over climate policy resembles what political scientists call ‘distributional politics’. Policies like carbon taxes or renewable energy deployment benefit some economic sectors and populations and impose costs on others. Interest groups that stand to win or lose from these changes advocate for their preferred policies.

But as we push the climate system to further extremes, the costs of climate change will become much more intense and widespread. Not just small islands, but whole coastal regions will be inundated. Droughts will cut off vital water supplies from hundreds of millions of subsistence farmers as well as those that feed global supply chains. Deadly heat will render whole regions uninhabitable. Under these conditions, climate politics will not just be a question of ‘who gets what, when, how’, as the political scientist Henry Laswell famously put it. Rather, climate politics will become a question of who gets to survive.

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At the same time, the advance of decarbonisation will pose a similar existential threat to companies, workers, regions and regimes whose economic survival is linked to fossil fuels. Already, hundreds of coal plants and mines have shuttered across the world, taking investments, jobs and pensions with them. For this reason, a key demand of climate protestors today is for governments to provide a ‘just transition’ for workers in carbon-dependent sectors. Oil and gas companies may follow coal, and countries and political regimes based on the exploitation of these resources may follow. Those that have managed to diversify or channel resources into sovereign wealth funds may adapt. Others – cruelly, it will be those least able to manage – may discover that the only thing worse than the ‘resource curse’ is the curse of lack of resources.

In other words, the advance of both climate change and decarbonisation efforts will not just change the distribution of resources; it will threaten the very existence of large swathes of the global economy and population. How can we expect political leaders in the middle of the century – the young people who are today demanding action in the streets – to react?

In the face of urgent survival needs, it may be substantially more difficult to invest political effort and resources in preventing further climate change by reducing emissions. Instead, governments will face increasing, and in some cases overwhelming, pressure to limit the harm climate change and decarbonisation are causing in the short term.

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Imagine you are the mayor of a Middle Eastern city in which the night time temperature has been over 50C for the last week. Will you spend the city budget on climate-saving electric cars or climate-destroying air conditioners?

Broadly, there are four strategies we can take to counter climate change. We can mitigate it by reducing emissions. We can adapt to it by taking steps like building seawalls or developing drought-resistant crops. We can compensate those who are hurt by its effects to reduce suffering. Or we can, perhaps, develop geoengineering technologies to limit temperature change or suck carbon from the atmosphere. To date we have focused mainly on mitigation. But as climate politics get existential, political incentives may shift to more defensive approaches.

Indeed, we are already seeing a growing emphasis on such strategies. When the countries of the world pledged, in the 1992 UN Framework Convention on Climate Change, to “prevent dangerous changes in the Earth’s climate,” they meant reducing emissions. Since that time, vulnerable nations and ‘frontline communities’ have pushed adaptation onto the global agenda. We are already being affected by climate change, they argue, so we need to not just prevent but also treat the current harm being done.

More recently, the most affected countries and populations have pushed for compensation. Not only have we failed to prevent climate change, they argue, but its impacts are already so great they cannot be adapted to. Low-lying islands, for whom even a small degree of climate change is existential, have been strong advocates for so-called ‘loss and damage’ measures in international climate policy, demanding that those who have contributed most to climate change pay the reparations. In the future, expect these claims to grow.

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And as climate change proceeds, what was previously unthinkable may become widely demanded. Today, many climate advocates reject geoengineering techniques (such as building machines to suck carbon from the air, or seeding clouds to reflect more sunlight back into space) as an unproven distraction from mitigation efforts. But if the impacts of climate change continue to accumulate, governments may come to see such technologies as vital components of national security.

All of these strategies will be far more costly, and far less effective, than mitigation. But by the time today’s climate strikers are watching their own children take to the streets, they might be the only options left.

The good news is that these trends are not inevitable. The more we can prevent climate change now, while also making sure that those dependent on fossil fuels are not left behind, the less existential climate politics will be in the future. In other words, the urgency of action today is demanded not only by climate science, but also by political science. We will certainly be dealing with climate change for longer than the next 11 years, but we may have only the next decade to prevent it.

Thomas Hale is associate professor in public policy (global public policy) at the Blavatnik School of Government, University of Oxford. This article was published in the fourth issue of the Oxford Government Review, published in November 2019 by the Blavatnik School of Government.

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