Home Nuclear fusion finally generated more power than it took to create: input was 2.1 megajoules (~0.58kwh) for an output of 2.5 megajoules. (Subsequently re-calculated to be more than 3 megajoules}. Atmospheric CO2 reached 420 ppm. In the US, 27% of adults feel that they are too stressed to function. Share this:PrintEmailMoreFacebookTwitterRedditLinkedInTumblrPinterestPocketLike this:Like Loading...