About this podcast
Data scientist Hannah Ritchie and sustainability nerd Rob Stewart are climate optimists. They join forces to unpack solutions to the climate crisis, and the innovators, entrepreneurs and scientists behind them. Hosted on Acast. See acast.com/privacy for more information.
Episodes
The newest 20 of 27 episodes
- Charlotte Large: Can we heat homes from the London underground? · 32 min · Season 5 Episode 5Unusual heat sources like the London Underground and data centres are being used to heat and cool cities - they’re called, quite simply, heat networks. The director of one of the…
- Ben Lamm: Would de-extincting species benefit the planet? · 32 min · Season 5 Episode 4The co-founder of Colossal Biosciences makes the climate case for bringing back extinct species like the woolly mammoth and the dodo. Colossal say de-extinction through gene…
- Rahul Tongia: Is India on track to meet climate goals? · 34 min · Season 5 Episode 3Senior fellow at New Delhi based think-tank CSEP, Rahul Tongia, does a deep dive on India. It’s one of the world’s biggest emitters, but it’s also on the frontline of climate…
- Prof Ed Hawkins: How to start climate conversations · 32 min · Season 5 Episode 2The scientist behind the famous warming stripes gives practical advice on how to talk about climate change in a way that actually brings about change. The climate stripes…
- Dr Hannah Ritchie: Is AI bad for the planet? · 33 min · Season 5 Episode 1In this episode we put our resident data scientist in the hot seat, and discuss a range of topics across her new book, Clearing the Air. From AI’s energy appetite to the future…
- Mina Hasman: Inside the world of sustainable architecture · 30 min · Season 4 Episode 5Sustainability Director at the firm Skidmore, Owings & Merrill makes the case for solutions like algae-based concrete and direct air capture to be used within the buildings she…
- Ian McKay: How do we get rid of contrails? · 30 min · Season 4 Episode 4Founder of Orca Sciences reveals the surprisingly easy fix for contrails in aviation. As an incubator for other startups looking to get off the ground, Orca Sciences asks big…
- Leah Ellis: How do you decarbonise concrete? · 29 min · Season 4 Episode 3The CEO of Sublime Systems chats about their alternative to make cement. Generating about 8% of all global carbon dioxide emissions, Leah is using an exciting electrochemical…
- Lauri Myllyvirta: Is China a global climate leader? · 29 min · Season 4 Episode 2Senior fellow at the Asia Society Policy Institute's China Climate Hub, Lauri Myllyvirta, delivers a deep dive on China’s climate picture. Why is a country responsible for the…
- Prof Alex Edmans: Does divestment from fossil fuels work? · 39 min · Season 4 Episode 1Finance expert Professor Alex Edmans is sceptical that divesting from fossil fuels will make an impact and reduce carbon emissions. With his experience on the World Economic…
- Dr Marit Brommer: Why don’t we use more geothermal energy? · 39 min · Season 3 Episode 5Head of the International Geothermal Association, Dr Marit Brommer, says the world is sleeping on the power of geothermal. Currently, we use it’s energy for less than 0.5% of the…
- Heikki Malinen: Does sustainable aviation fuel work? · 36 min · Season 3 Episode 4Neste has been developing an alternative to kerosene for powering planes over the past decade. CEO Heikki Malinen explains how SAF can be used alongside other advancements in…
- Guillaume Lambotte: Inside the race to decarbonise steel · 32 min · Season 3 Episode 3Boston Metal are working on an alternative to a millennia old production process. The steel industry is responsible for around 7% of the world’s carbon emissions; decarbonisation…
- Mark Titley: How do we stop deforestation? · 34 min · Season 3 Episode 2As a senior researcher at Trase, Mark uses data like satellite imagery and shipping routes to help companies and governments track supply chains. Trase identifies links to…
- Emma Pinchbeck: Will net zero damage the economy? · 41 min · Season 3 Episode 1The Chief Executive of the UK’s Climate Change Committee explains how our lives will change by 2050 if we continue to cut carbon emissions. She explains how her electric car is…
- Kathleen Alexander: Can you make edible oils without land? · 37 min · Season 2 Episode 5We use an enormous amount of land for animal agriculture and crops like palm oil. But there’s a new fat on the market which is offering an alternative to dairy and vegetable…
- Cat Clifford: Why is nuclear energy back in fashion? · 38 min · Season 2 Episode 4Small modular reactors. Nuclear fusion. Artificial intelligence. Senior economics correspondent for Cipher News, Cat Clifford, unpacks the latest innovations in nuclear energy…
- Zeke Hausfather: Why do we need carbon removal technology? · 35 min · Season 2 Episode 3How much attention should we give to carbon removal technology versus stopping carbon emissions in the first place? Climate scientist Zeke Hausfather discusses the opportunities…
- Duncan Walker: Will electric air taxis take off? · 39 min · Season 2 Episode 2Skyports are building the infrastructure for electric flying taxis that could change the way we travel. You might be able to ride in one in Dubai as early as next year. The CEO…
- Lauren Eatwell: How do you make shipping sustainable? · 39 min · Season 2 Episode 1The maritime industry is responsible for roughly 3% of global emissions. So one solution to help reduce fuel consumption has already set sail. Head of Engineering at BAR…
