The incredible plan to refreeze the Arctic

In an exclusive interview, Shell chairman Sir Andrew Mackenzie says the world’s carbon challenge is harder than he realised while running BHP, and it’s time for a global focus on a few winning solutions. This podcast is sponsored by Rio Tinto.See omnystudio.com/listener for privacy information.

On this week’s episode of Tech Zero, we’ll explain why big oil is laying bets on a new type of geothermal energy. This podcast is sponsored by Rio Tinto.See omnystudio.com/listener for privacy information.

Microwave ovens are great at heating up last night’s leftovers, but can they become the low carbon source of industrial heat for big industries like steel? This podcast is sponsored by Rio Tinto.See omnystudio.com/listener for privacy information.

It might sound like science fiction, but a mix of scientists and venture capitalists are working on plans to block the sun to slow global warming. This podcast is sponsored by Rio Tinto.See omnystudio.com/listener for privacy information.

Come foraging on the forest floor as we go looking for the secret ingredient that will make trees grow faster and stronger and more able to suck down carbon. This podcast is sponsored by Rio Tinto.See omnystudio.com/listener for privacy information.

Melting of Arctic sea ice shapes as a critical tipping point in the battle against climate change. That’s why a new start-up is fighting back by making ice. This podcast is sponsored by Rio Tinto.See omnystudio.com/listener for privacy information.

A new breed of builders are tackling the carbon footprint of high-rise buildings from every angle. Guests include: Joe Karten (Built), Victor Rosenberg (ClearVue Technologies) and Tony Dragicevich (Capral Aluminium) This podcast is sponsored by Rio Tinto.See omnystudio.com/listener for privacy information.

Pat Symonds wrote the rules that will compel Formula 1 cars to run on carbon-neutral fuel from 2026. Big oil companies are now racing to find solutions.  See omnystudio.com/listener for privacy information.

An Australian scientist reckons he can break green hydrogen's addiction to renewable energy and the world's biggest hydrogen bull has got onboard.See omnystudio.com/listener for privacy information.

Meet the scientists working to secure a place for coal in a net zero world.See omnystudio.com/listener for privacy information.