Living Planet Folgen

Protein obsession is reshaping our diets — and our planet. We lift the lid on the protein craze, what we truly need for good health, why animal protein carries such a heavy climate footprint, and what choices could cut emissions without sacrificing strength and health. And we hear from one powerlifter's surprising shift from meat-lover to vegan butcher, against the backdrop of online culture wars.

For 40 years, environmentalist and author Bill McKibben has chronicled the worsening climate crisis and politicians' failure to stop it. But now, for the first time, he says he can actually see a path forward. In the third and final part of our special miniseries, The Switch, we ask him what that path looks like – and what still threatens to derail it.

We're generating more solar and wind power than ever before, but somewhere between where it's made and where it's needed, the energy system can't keep up. From Spain's blackout to bottlenecks across Europe, the way we move electricity is in desperate need of some updates. In Part 2 of The Switch, we reveal the power grid cracks halting climate progress.