Permafrost Is Thawing in Alaska at an Alarming Rate

The Arctic has warmed four times faster than anywhere else on the planet, and today’s newsletter takes you to Alaska for a firsthand view. There, researchers are racing to understand what’s happening to permafrost and the 1.4 trillion tons of carbon it stores. Nothing less than the fate of the climate hangs in the balance.

Plus, we look at how the AI boom has sent clean tech stocks soaring — and the risks a bubble poses. And we have exclusive insights from EU Climate Commissioner Wopke Hoekstra on how next week’s COp30 climate talks are set to fare without the US.