“‘Well done, everyone,’ someone said after a few moments, and the chatter resumed. The scientists had just taken another small step toward harnessing the power of the universe, and the weekend beckoned.” The race to find cleaner, better energy sources is more urgent than ever. But it’s still a pretty hard problem to solve. NYT: The Fusion Reactor Next Door.

+ Meanwhile, as WaPo reports, it was 84 degrees near the Arctic Ocean this weekend as carbon dioxide hit its highest level in human history.

+ Gizmodo: Exxon Predicted 2019’s Ominous CO2 Milestone in 1982. (Uh, good job?)

+ Mariana Trench: Deepest-ever sub dive finds plastic bag.