While progress has been made on nuclear fusion, efforts to harness the process that powers the sun were delayed by the coronavirus pandemic, so the energy source remains decades away
Source:
https://www.newscientist.com/article/mg24833135-500-2020-in-review-nuclear-fusion-power-is-slowly-getting-closer/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home