More than 30 leaders and delegations from around the world gathered at the Nuclear Energy Summit in Brussels on Thursday.
Leaders are said to be backing the idea of using nuclear power to help achieve the goal of a climate-neutral globe, giving more countries an increased sense of economic independence and security, the AP reported.
Such a summit would have been unthinkable decades ago, after the 2011 Fukushima nuclear accident in Japan.
But a warming planet, creating the need to divest from fossil fuels, and the war in Ukraine, highlighting a dependence on Russian energy, have turned the tide over the past half-decade.
Nuclear power plants take many years to build, and projects are often marred by cost and schedule overruns.
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Germany will not participate in the nuclear energy summit in Brussels
Thursday's meeting would be a strategic planning session without expecting any practical results.
Germany is not participating in the meeting as it shut down its last three nuclear reactors almost a year ago, ending a process that gained widespread political support after Japan's 2011 Fukushima nuclear reactor disaster.