Is nuclear fusion the future of clean energy?

Fusion is a kind of nuclear power, which could revolutionise how clean energy is produced. As a new wave of experiments heats up, can fusion live up to the hype? 00:33 The future of green energy 02:00 What is nuclear fusion and how does it work? 03:17 Is it achievable? Sign up to The Economist’s daily newsletter: Energy security gives climate-friendly nuclear-power plants a new appeal: Listen to our podcast about the importance of private companies in advancing nuclear fusion Fusion power is coming back into fashion: Watch our film about the transition to green energy: The race to build a commercial fusion reactor hots up: Watch more of our Now & Next series: