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Latest News
G7 pledges support for nuclear at Italy meeting
The Group of Seven (G7) recommitted its support for nuclear energy in the countries that opt to use it at a Ministerial Meeting on Climate in Italy last month.
In a statement following the April meeting, the group committed to support multilateral efforts to strengthen the resilience of nuclear supply chains, referencing the goal set by 25 countries during last year’s COP28 climate conference in Dubai to triple global nuclear generating capacity by 2050.
E. Mazzucato
Fusion Science and Technology | Volume 77 | Number 6 | August 2021 | Pages 489-492
Technical Note | doi.org/10.1080/15361055.2021.1923260
Articles are hosted by Taylor and Francis Online.
The replacement of the burning of fossil fuels in power plants with other forms of clean energy, for example, that of a tokamak fusion reactor employing the deuterium-tritium cycle, like ITER, would contribute enormously to the mitigation of climate change. Unfortunately, for such a type of fusion reactor, we expect the neutrons, which carry 80% of the fusion power with energies seven times larger than those of neutrons of fission reactors, to cause serious radiation damage with possible fracture of the blanket modules and the reactor wall. Hence, before contemplating the use of tokamaks for replacing fossil fuels of conventional power plants, we need a thorough investigation of the damage caused by neutrons in high-power tokamak reactors. Unfortunately, ITER will not provide any exhaustive information since it is neither a high power density tokamak nor a reactor. However, a rise in toroidal magnetic field by a factor of 2 would bring the fusion power of ITER to 8 GW and allow an investigation of the damage caused by neutrons to internal components and the reactor wall.