Good news: Huge advances are taking place in fusion, meaning the prospect of endless clean power could be closer than we think. In particular, startup Commonwealth Fusion Systems and MIT took a big step forward this month, successfully powering up an unbelievably powerful magnet.

“I think we’re going to look back and think about how we got there, and I think the demonstration of the magnet technology, for me, is the time when I believed that, wow, we can really do this.”

Better news: Fresh from its success with Covid-19, mRNA vaccine technology is being used to develop powerful anti-cancer treatments, one of which is already moving into human trials. In mice, the treatments shrank 17 out of 20 tumours to nothing within 40 days.

More like these, please.