Nuclear power provides 10% of the world’s electricity. But to stem climate change, we’re going to need far greater amounts of clean and reliable energy. Thirty countries currently operate nuclear power plants. More than two dozen others are looking at nuclear energy to meet their power and climate needs. In the western United States, more than 30 towns and cities are also looking to the future. They want to go carbon free. And they’re betting on small modular reactors (SMRs) to get there.