It's set to be a hot topic at the COP28 summit in Dubai, which begins this week.
There are reports that there will be a concerted effort to get behind a big increase in nuclear capacity from now to 2050.
"As more nations understand the role nuclear can play in achieving energy security and decarbonisation targets, global support for nuclear energy is growing," he added.
"The phase-out of nuclear power makes our country safer; ultimately, the risks of nuclear power are uncontrollable," Steffi Lemke, Germany's federal minister for the environment and nuclear safety, said in April.
France, a major player in nuclear power, is also planning to increase its number of reactors.
Persons:
Janos Kummer, Atoms4NetZero, Rafael Mariano Grossi, Friedrich Merz, CNBC's Annette Weisbach, Merz —, Chancellor Olaf Scholz —, Steffi Lemke
Organizations:
Getty, International Atomic Energy Agency, CNBC, World Nuclear Association, IAEA, Christian Democratic Union, Greenpeace, Germany —, —
Locations:
Slovakia, Dubai, United Arab Emirates, COP28, Germany, Sweden, France