Something is wrong in the Arctic - Narwhals can tell

Racing to war-proof Ukraine's power grid

When Russia targets Ukraine's energy system, it's not just turning off the lights — it's creating conditions for nuclear disaster. Each attack forces a rethink: more solar, more batteries, more distributed, harder-to-hit systems. For Ukrainians, this isn't about climate — it's about survival. What can the rest of the world learn from this?

Something is wrong in the Arctic - Narwhals can tell

Alex Ootowak grew up watching narwhals, the “unicorns of the sea”, frolic in Canada’s Arctic waters. Then a nearby mine changed everything. In this episode, hear how underwater recordings reveal a decline in narwhals - and why scientists couldn’t research these enigmatic creatures without the Inuit community.

Why cities keep losing the war on rats

In cities around the world, rats aren't just surviving; they're thriving. Despite decades of poison, traps and control, they keep coming back. So, what is it about modern city life that suits them so well? From Berlin to New York, this is a story about what happens when urban systems start feeding "the rat problem".

Pray or act? Churches at a crossroads

Climate change is reshaping the world - but inside many churches, it’s barely spoken about. So what’s behind the silence? One believer whose passion for God’s creation started as a kid surrounded by manatees and mangroves, is urging US churches to reconnect faith with stewardship of the land.

Geothermal could be huge, why isn't it?

Brock Yordy once helped extract fossil fuels; now, he’s using the same skills to tap the Earth’s heat for clean energy. His journey from oilfields to geothermal puts a new spotlight on a big question: can the industry that drove emissions now lead the way in reducing them? And if there’s so much power beneath our feet, what’s holding geothermal back?