What do you think of when you think “renewable energy”? What is one change we can make to drastically reduce our individual impact on the planet? What should we be planting in our gardens if we’re rooting for the planet?

It’s a takeover! Dr Cat sits back from the microphones this week to let three science communication students take the reins.

Dominique Bezzina, Daniel Nørkjær Badenskov, and Erin Koster turn up the geothermal heat, raise the steaks on sustainability, and dig deep into permaculture. From the ground beneath our feet to the food on our plates, they cover the whole ecosystem, thinking about how we can all be a bit more sustainable.

Originally aired 7th October, 2025.

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