In 1973, President Richard Nixon predicted the United States would have 1,000 nuclear power plants by the year 2000. The nation peaked at 104 operating reactors in 2012. Today, there are about 90. For decades, countries around the world have increasingly shuttered their nuclear plants, disenchanted by how dangerous and expensive they can be to operate. They are technically complex, taking years to license and build. Plus, proper disposal of the hazardous waste is a challenge. But two ongoing emergencies — Russia's invasion of Ukraine and the climate crisis — could reverse the trend. Like wind and solar, nuclear power does not release planet-warming pollution into the atmosphere — offering a potentially attractive energy alternative as extreme heat threatens the electricity grid and nations struggle to quit fossil fuels. In California, for example, political leaders are now considering keeping the state's final nuclear power plant open beyond its scheduled closure date. California has an ambitious target to significantly green its power grid by 2030, but the state is also struggling to maintain energy reliability in the face of increasingly frequent weather disasters driven by carbon pollution. Earlier this year, President Joe Biden announced $6 billion in grants to nuclear plant operators to help keep them online. West Virginia repealed its quarter-century ban on nuclear plant construction, and Indiana's Senate passed a bill to offer incentives for building next-generation nuclear plants at existing fossil fuel plant sites. Wyoming and Montana have likewise adopted nuclear-friendly laws. Europe is also increasingly eyeing the nuclear option, as it scrambles to find energy to replace its now shaky supply of gas from Russia. Investing in natural gas infrastructure — which would lock in years of carbon emissions — has been leaders' main focus. But Belgium also has opted to extend the life of its remaining reactors, and Poland is building its first plant. France has boosted its nuclear portfolio in recent years, though a series of maintenance issues is threatening its fleet's viability. Even Germany, which has been stubbornly opposed to nuclear power in the past, is reassessing its stance in light of the current energy crisis. The renewed interest in nuclear power comes as large swaths of the globe face fatal heat waves, wildfires, floods and glacial avalanches fueled by a warming world. World leaders may decide that the benefits of running emissions-free nuclear plants now outweigh the costs.
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