The United States will work with other governments to speed up efforts to make nuclear fusion a new source of carbon-free energy, U.S. Climate Envoy John Kerry said this week, the latest of many U.S. announcements aimed at combatting climate change.
Nuclear fusion melds two hydrogen atoms together to produce a helium atom and a lot of energy—which could be used to power cars, heat and cool homes and other things that currently are often powered by fossil fuels like coal, oil and gas. That makes fusion a potentially major solution to climate change, which is caused by the burning of fossil fuels. Still, fusion is a long way off, while other clean technologies like wind, solar and others are currently in
