Nuclear Power Will Not Save Us From Climate Change via Yes! Magazine

By M.V. Ramana and Robert Jensen

How the IPCC’s solutions for reversing the Earth’s warming encourage business as usual.


Underlying the IPCC report’s claims is the belief that technological solutions can fix the climate problem. Yet these fixes don’t address the root cause of climate change.

Let’s start by facing the frightening facts. The report shows that warming must be held to no more than 1.5°C above preindustrial levels to avoid truly catastrophic consequences. This requires emissions of CO2 to be limited to an amount that, at the current rate, will be breached in 10 to 15 years.

The report outlines four broad pathways to stay within that limit, all of which include large-scale deployment of various technological fixes to climate change. These include not just the sensible pursuit of solar energy and wind power but also of unproven technologies, such as bioenergy with carbon capture and storage, which has not been demonstrated to work at scale.


Nuclear energy has been declining, not growing, as a share of the electricity market during the period that climate change has become recognized as an important problem. In 1997, when the Kyoto Protocol was signed, nuclear power’s share of global electricity generation was about 17 percent. Twenty years later, nuclear energy contributed barely 10 percent of global electricity production in 2017. This included a period when the nuclear industry was heralding a renaissance. The downward trend is expected to continue.

Despite governments subsidizing the technology in various ways over the decades, the economics of nuclear energy is a major problem: Nuclear reactors are expensive to construct, and prone to costing more than budgeted and taking longer to build than projected. The flagship projects in Europe—Olkiluoto (Finland) and Flamanville (France)—use the latest reactor design, the EPR (which stands for either European Pressurized Reactor or Evolutionary Power Reactor). In the United States, Vogtle (Georgia) and V. C. Summer (South Carolina) use the Advanced Passive (AP1000) reactor design. What they have in common is unexpected cost increases: Costs at V. C. Summer went up so high that the utility constructing the plant abandoned it after spending billions.

One would think that these trends would lead policymakers to abandon nuclear power, but faith that these failures can be resolved is fueling government and private investments in a new generation of reactor designs—advanced reactors, small modular reactors, and Generation IV reactors. On paper, these look great, just like the EPR and the AP1000. But there is no reason to believe these new designs will prove cheaper than current reactors—unless the designers, constructors, and regulators emphasize lowered costs over safety, which increases the risk of future Chernobyls and Fukushimas.

Back to the panel’s report. The models it uses do not deal with these problems of nuclear energy. They simply assume that nuclear reactors will be built. And because of the focus on CO2 emissions, they don’t highlight the accompanying problems such as increased quantities of radioactive waste that would have to be stored and isolated from human contact for hundreds of thousands of years.

The underlying cause here is “technological fundamentalism,” the belief that the increasing use of evermore sophisticated, high-energy, advanced technology can solve any problem, including those caused by the unintended consequences of earlier technologies. This Panglossian approach allows modelers to state the climate problem can be contained without giving up a social and political system that is founded on continued and endless economic growth.


The alternative is obvious. The starting point of any serious discussion of climate change must be to recognize that it is not possible to limit global warming to either 1.5 or 2°C in any “resource- and energy-intensive scenario” where economic growth continues in the usual fashion. To put it more bluntly, one cannot resolve the climate problem under capitalism, which cannot survive without endless growth.

Arguments against capitalism are at least as old as capitalism itself. If one is honest about the implications of the latest report, climate change is providing another compelling argument for fundamental economic change.


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