We are a show about nature’s role in tackling climate change. A new industry is taking shape, and our goal is to host a candid, cross-disciplinary conversation on nature and its role in addressing climate change. We are three friends with diverse backgrounds who met in business school at Stanford and share a common interest in demystifying natural climate solutions. Together, we’ll unpack this growing field and connect the dots across the people and ideas shaping its future. Whether you work ...
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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.
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Rahul Tongia: Is India on track to meet climate goals?
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33:58Senior 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 change; more than 80 percent of people live in places that are at risk of climate-induced disasters. Rahul explores whether their progress is fast enough, and whose responsibi…
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Prof Ed Hawkins: How to start climate conversations
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31:34The 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 themselves will be remembered in history as a pivotal point in climate debate. Professor Ed Hawkins chats about what inspired the warming stripes, and the craziest reaction they’v…
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In 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 of your household bills, and why electric vehicles leave Hannah feeling hopeful - her sharp, evidence driven answers will make you reconsider the headlines. Season five of S…
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Mina Hasman: Inside the world of sustainable architecture
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29:33Sustainability 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 designs. The materials and methods used in contemporary design are a recipe for what are currently very high carbon emissions. Hannah reflects on whether these are just pie …
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Founder 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 questions like, how do we get rid of ‘sky graffiti’? Can you heat the earth directly? And can we just eat carbon? Season four of Solving for Climate is sponsored by Xlinks xli…
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The 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 process to reduce this figure. It’s used in the buildings around you, the roof over your head and the foundations beneath your feet - so how difficult will it be to reduce the…
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Lauri Myllyvirta: Is China a global climate leader?
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29:27Senior 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 overwhelming majority of the world’s emissions also scaling renewable energy at lightning speed? Hannah crunches the numbers on whether China’s construction of coal fired pow…
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Prof Alex Edmans: Does divestment from fossil fuels work?
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38:48Finance 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 Forum’s Global Future Council on Responsible Investing, he chats to Hannah and Rob about how a carbon tax is a no brainer climate solution instead. Season four of Solving for C…
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Dr Marit Brommer: Why don’t we use more geothermal energy?
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39:29Head 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 world’s electricity. So she’s on a mission to convince governments and businesses about the untapped potential of the heat beneath our feet. Season two of Solving for Clim…
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Heikki Malinen: Does sustainable aviation fuel work?
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35:41Neste 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 aviation technology to reduce carbon emissions that come from flying. But with demand expected to increase, is the industry moving fast enough? Season three of Solving for Cli…
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Guillaume Lambotte: Inside the race to decarbonise steel
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31:47Boston 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 is crucial. As Chief Scientist at Boston Metal, Guillaume Lambotte breaks down the chemistry behind their alternative process for making steel. He explains how even though…
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As 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 deforestation, but do companies actually use this data to make a difference? Season three of Solving for Climate is sponsored by Xlinks xlinks.co Mark Titley, Trase Co-hosts Hann…
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Emma Pinchbeck: Will net zero damage the economy?
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40:52The 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 like her 'third child' and why she isn’t recommending we use hydrogen to power transport in the future. Season two of Solving for Climate is sponsored by Xlinks xlinks.co Em…
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Kathleen Alexander: Can you make edible oils without land?
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37:09We 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 oils. CEO of Savor, Kathleen Alexander, discusses the company’s synthetic alternative and explains how they designed it to make the perfect pastry. Find out how this was born f…
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Cat Clifford: Why is nuclear energy back in fashion?
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38:19Small modular reactors. Nuclear fusion. Artificial intelligence. Senior economics correspondent for Cipher News, Cat Clifford, unpacks the latest innovations in nuclear energy and explains how China is leading the way. Season two of Solving for Climate is sponsored by Xlinks xlinks.co Cat Clifford, Senior Science and Economics Correspondent, Cipher…
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Zeke Hausfather: Why do we need carbon removal technology?
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34:42How much attention should we give to carbon removal technology versus stopping carbon emissions in the first place? Climate scientist Zeke Hausfather discusses the opportunities for carbon removal technologies including advanced rock weathering, direct air capture and ocean storage. Season two of Solving for Climate is sponsored by Xlinks xlinks.co…
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Duncan Walker: Will electric air taxis take off?
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38:52Skyports 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 of Skyports joins Hannah and Rob to discuss how vertiports could change urban transport. But do their climate credentials stand up? Season two of Solving for Climate is spon…
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Lauren Eatwell: How do you make shipping sustainable?
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38:54The 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 Technologies, Lauren Eatwell has steered a project called WindWings which retrofits large steel and glass sails to ships. But will the wider industry move fast enough to meet clima…
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What are carbon credits? Can you eat fossil fuels? Why is nuclear energy back in fashion? Co-hosts Dr Hannah Ritchie and Rob Stewart will answer these questions and more in a new season of Solving for Climate. Season two will be travelling sustainably into your podcast feeds at the end of February. Make sure you’re following the podcast so you are …
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Episode 19: 10X Conservation in Silicon Valley with the Peninsula Open Space Trust
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53:10Walter Moore (President) and Peter Cowan (Director of Conservation Science) @ Peninsula Open Space Trust In this episode, we speak with Walter Moore and Peter Cowan on the leadership team at the Peninsula Open Space Trust, the engine for conservation of the natural landscapes around and within Silicon Valley. POST is a uniquely successful land trus…
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Dr Luke Haverhals: Making plastics out of plants
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20:45‘Plastic has long been the fossil fuel industry’s ‘plan B’’ says Luke Haverhals, co-founder of NFW, a start-up dedicated to creating materials with plants, not oil. Plastic has a stranglehold over our lives, but it’s not good for us, and it also keeps the fossil fuel industry in business. Luke is proposing a solution to this - creating four differe…
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Data centres are not the most glamorous topic of discussion but they are everywhere, powering our modern, digital economy. But they can also power swimming pools, breweries and laundries, as Mark Bjornsgaard tells Hannah and Rob on this episode. 97% of the electricity that goes into a computer comes out as heat. It’s an incredibly inefficient proce…
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Despite the inexorable growth of Generative AI tools such as ChatGPT or Midjourney in the past couple of years, painfully little is known - or at least publicised - about their carbon impact. However, Dr Sasha Luccioni is on a mission to change that. Hannah and Rob talk to her about how she’s trying to maximise the benefits of AI, while minimising …
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Professor Sir David King: What’s whale poo got to do with it all?
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25:49How do we buy ourselves some time to save our planet? Humans are responsible for the immense damage inflicted on our planet since the Industrial Revolution, but now we have the chance to do some good and repair the climate. Hannah and Rob discuss the power of human ingenuity and ambition with Founder of the Centre for Climate Repair at Cambridge Un…
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Kingsmill Bond: How is the energy transition going?
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33:05‘It’s obvious that oil is on the decline’, says energy strategist Kingsmill Bond. He joins Hannah and Rob to talk about the energy transition and he’s got an optimistic take: he says that we reached peak fossil fuel demand 10 years ago, and give it another five and oil will be a thing of the past. Kingsmill tells Hannah and Rob how we can move past…
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Hannah Ritchie and Rob Stewart are fascinated by solutions to the climate crisis and the innovators, entrepreneurs and scientists behind them. They want to shine the spotlight on the people working tirelessly to change the narrative on the climate crisis to show that there's brilliant stuff going on out there, and that all isn't lost. Subscribe to …
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Episode 18: Community-Centric Blue Carbon Projects in West Africa with Elizabeth Littlefield, Senior Partner @ West Africa Blue
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46:29In this episode, we speak with Elizabeth Littlefield, Senior Partner at West Africa Blue, a community-centric blue carbon project developer operating in Sierra Leone and Guinea. Elizabeth brings unique perspective to the conversation from her time as the President and CEO of OPIC, now renamed the US International Development Finance Corporation (DF…
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Episode 17: Phones, Drones, and Satellites: Measuring Forest Carbon with Aakash Ahamed, CEO @ Working Trees
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35:55In this episode, we speak with Aakash Ahamed, a remote sensing scientist developing methods to measure forest carbon using instruments deployed on phones, drones, planes, and satellites. He is the co-founder and CEO of Working Trees, a start-up focused on leveraging mobile phone sensing technology to improve ease, accuracy, and transparency in tree…
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Episode 16: Takeaways from NY Climate Week 2023
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37:05SCN host Julia Strong and field correspondent Morrison Mast report from New York Climate Week 2023, bringing listeners voices from the Brazilian Amazon, London, New York, and more to experience one of the climate community’s biggest weeks and understand the state-of-play of nature-based solutions during this tumultuous time in carbon markets. In th…
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Episode 15: Leading Private Sector Action for a Nature Positive Future with Tim Christophersen, VP, Climate Action @ Salesforce
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44:24Tim Christophersen leads Salesforce’s nature positive strategy - internally defining Salesforce’s nature-related goals and how to meet them, partnering with other corporations to help them advance action for nature, and driving cross-sector partnerships to unlock nature-based solutions at scale. Tim shares the challenges for nature-based solutions …
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Episode 14: Creating a Nature Positive Tourism Industry with Megan Morikawa, Global Sustainability Office Director @ Iberostar
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51:35In our first episode featuring a corporate sustainability leader focused on nature-based solutions, we interview Megan about her role at Iberostar, her priorities as they relate to nature-based solutions, and the challenges and opportunities driving innovation for both adaptation and mitigation internally and with partners externally. Megan shares …
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Episode 13: Using Tech to Spark the Restoration Movement with Clara Rowe, CEO @ Restor
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58:20In this episode, we talk with Clara about Restor, an online platform that hosts more than 100,000 restoration and conservation projects worldwide and connects on-the-ground land stewards of these projects with the financing and information they need to succeed. Clara speaks about what these projects actually look like, the opportunities and limitat…
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Episode 12: Trust, Tech, and Transparency for Scaling Carbon Finance with Ariel Hayward, Climate Strategy & Solutions @ Patch
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50:43In this episode, we talk with Ariel about her work at Patch scaling carbon removal solutions through innovative finance mechanisms and tech, what’s holding the voluntary carbon market back today, and the ins and outs of soil carbon relative to other nature-based solutions out there. In this episode, we touch on: > Ariel’s personal journey from her …
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Episode 11: Unlocking Capital for Nature with Megan Reilly Cayten, Senior Investment Manager @ Climate Asset Management
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59:29In this episode, we speak with Megan Reilly Cayten. Megan has developed, financed, and managed projects to deliver positive impacts for people and the planet on four continents, and is currently Senior Investment Manager with Climate Asset Management, a new institutional natural capital platform. She has a background in power and infrastructure dev…
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Episode 10: Mobilizing Private Sector Finance for Tropical Forest Countries with Eron Bloomgarden, Executive Director and Co-Founder @ Emergent
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59:43In this episode, we speak with Eron Bloomgarden of Emergent, a non-profit designed to channel large flows of private capital into protecting the world’s tropical forests. In 2021 Emergent launched the LEAF Coalition, which works with jurisdictions (countries or large states) on the supply side of REDD+ carbon credits, and large corporates on the bu…
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Episode 09: Regenerative Ranching and Learning from the Land with Doniga Markegard of Markegard Family Grass-Fed
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59:43Doniga is a regenerative rancher, wildlife tracker, author and thought leader around nature and our role within it. She and her husband own and operate Markegard Family Grass-Fed, and lease land encompassing over 11,000 acres across the Bay Area in Northern California. In this episode, we explore the lessons Doniga has learned in her many years of …
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Episode 08: Harnessing Kelp and the Oceans for Gigaton-Scale Impact with Marty Odlin, CEO of Running Tide
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58:00In this episode, we speak to Marty about the urgency of the climate crisis and the role that ocean ecosystem restoration and carbon sequestration have to play in solving it. Having grown up around commercial fishing and received formal training as an engineer, Marty is combining his passion for our oceans with his technological know-how to build Ru…
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Episode 07: Community-Managed Forests, Wildlife Corridors, and Biodiversity in the Congo Basin with Dominique Bikaba, Executive Director of Strong Roots Congo
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28:06In this episode, we sit down with Dominique Bikaba, Founder and Executive Director of Strong Roots Congo, a grassroots conservation and sustainable development organization operating in the Eastern Democratic Republic of Congo (DRC) that is securing land tenure for community forests and creating an ecological corridor for the critically endangered …
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Episode 06: Getting to Quality & Quantity in Carbon Markets with Duncan van Bergen, Co-Founder at Calyx Global
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51:24In this episode, we talk with Duncan about his new venture, Calyx Global, the role of different actors in the voluntary carbon market, how this market is evolving, and the challenges of driving both quality and scale. In this episode, we touch on: - The challenges of ensuring quality in the carbon markets and the state of voluntary carbon markets t…
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Episode 05: Restoring Degraded Landscapes: Regenerative Agroforestry & Greening the Desert with Neal Spackman, CEO of Regenerative Resources Co.
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1:01:19In this episode, we talk to Neal about his work transforming degraded landscapes through regenerative agroforestry. From the Al Baydha Project in Makkah, Saudi Arabia, where he lived and worked alongside the bedouin tribesmen to convert deserts into savannahs, to his current work establishing regenerative seawater agroforestry systems in Mexico and…
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Episode 04: Public Private Partnerships to End Deforestation and Accelerate Restoration with Justin Adams, Executive Director of the Tropical Forest Alliance at WEF
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47:51In this episode, we talk with Justin about his work bridging worlds in order to unlock the potential that nature has to be a bigger part of the climate story. He discusses the critical importance of putting people at the center of natural climate solutions (NCS) and funneling more resources to farmers, foresters, environmental organizations, and co…
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Episode 03: Sizing the Prize and Unlocking Natural Climate Solutions at Scale with Bronson Griscom, Senior Director of NCS at Conservation International
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47:34In 2017, Bronson Griscom published a landmark study on the impact potential of natural climate solutions, suggesting that a portfolio of conservation, restoration and land management actions can enable at least 30% of required emissions reductions by 2030 to remain on a 2C pathway. In this episode, we explore how Bronson thought about pursuing thes…
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Episode 02: Tropical Forests, REDD+ Finance, and Nature-Based Carbon Offsets with Frances Seymour, Distinguished Senior Fellow at World Resources Institute
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48:13In this episode, we discuss the importance of tropical forests in climate change mitigation and adaptation, and we take a tour of natural climate solutions over the years. Frances discusses the evolution of global programs to pay developing countries to protect against deforestation, the merits of conservation vs. tree planting, and her recent work…
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Episode 01: Forest Carbon, Tech, and Planetary Market Failure with Max Nova, COO & Co-Founder at NCX (formerly SilviaTerra)
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56:02In this episode, we explore how technology is changing the way we measure, value, and drive natural climate solutions at scale. Max shares the story of SilviaTerra, discusses with us the importance of data in building functioning natural capital markets, and shares how SilviaTerra is using that data to build the Natural Capital Exchange, their fore…
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