Solving for Climate

Rob Stewart
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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.

  1. Rahul Tongia: Is India on track to meet climate goals?

    16/12/2025

    Rahul Tongia: Is India on track to meet climate goals?

    Senior 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 responsibility it is to pay for those changes. Season five of Solving for Climate is sponsored by Xlinks xlinks.co Podcast transcripts available on Substack Rahul Tongia, Senior fellow at CSEP Co-hosts  Hannah Ritchie, Deputy Editor and Lead Researcher, Our World in Data @_HannahRitchie  Rob Stewart, Co-founder Stealth AI startup Subscribe to Hannah's Substack 'Sustainability by numbers' Want to get in touch? Email solvingforclimate@gmail.com Maddie Drury, Series Producer Transcriptions available: https://solvingforclimate.substack.com/ Co-hosts  Hannah Ritchie, Deputy Editor and Lead Researcher, Our World in Data @_HannahRitchie  Rob Stewart, Co-founder and Director of Sustainability, Koba Subscribe to Hannah's Substack 'Sustainability by numbers' Want to get in touch? Email solvingforclimate@gmail.com Maddie Drury, Series Producer Hosted on Acast. See acast.com/privacy for more information.

    34 min
  2. Prof Ed Hawkins: How to start climate conversations

    09/12/2025

    Prof Ed Hawkins: How to start climate conversations

    The 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’ve received. Season five of Solving for Climate is sponsored by Xlinks xlinks.co Podcast transcripts available on Substack Professor Ed Hawkins, Professor of Climate Science at the University of Reading Co-hosts  Hannah Ritchie, Deputy Editor and Lead Researcher, Our World in Data @_HannahRitchie  Rob Stewart, Co-founder Stealth AI startup Subscribe to Hannah's Substack 'Sustainability by numbers' Want to get in touch? Email solvingforclimate@gmail.com Maddie Drury, Series Producer Transcriptions available: https://solvingforclimate.substack.com/ Co-hosts  Hannah Ritchie, Deputy Editor and Lead Researcher, Our World in Data @_HannahRitchie  Rob Stewart, Co-founder and Director of Sustainability, Koba Subscribe to Hannah's Substack 'Sustainability by numbers' Want to get in touch? Email solvingforclimate@gmail.com Maddie Drury, Series Producer Hosted on Acast. See acast.com/privacy for more information.

    32 min
  3. Dr Hannah Ritchie: Is AI bad for the planet?

    02/12/2025

    Dr Hannah Ritchie: Is AI bad for the planet?

    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 Solving for Climate is sponsored by Xlinks xlinks.co Podcast transcripts available on Substack Co-hosts  Hannah Ritchie, Deputy Editor and Lead Researcher, Our World in Data @_HannahRitchie  Rob Stewart, Co-founder Stealth AI startup Subscribe to Hannah's Substack 'Sustainability by numbers' Want to get in touch? Email solvingforclimate@gmail.com Maddie Drury, Series Producer Transcriptions available: https://solvingforclimate.substack.com/ Co-hosts  Hannah Ritchie, Deputy Editor and Lead Researcher, Our World in Data @_HannahRitchie  Rob Stewart, Co-founder and Director of Sustainability, Koba Subscribe to Hannah's Substack 'Sustainability by numbers' Want to get in touch? Email solvingforclimate@gmail.com Maddie Drury, Series Producer Hosted on Acast. See acast.com/privacy for more information.

    33 min
  4. Mina Hasman: Inside the world of sustainable architecture

    30/09/2025

    Mina Hasman: Inside the world of sustainable architecture

    Sustainability 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 in the sky ideas. Season four of Solving for Climate is sponsored by Xlinks xlinks.co Podcast transcripts available on Substack Mina Hasman, Sustainability Director at SOM Hannah’s series at Our World in Data on extreme heat Co-hosts  Hannah Ritchie, Deputy Editor and Lead Researcher, Our World in Data @_HannahRitchie  Rob Stewart, Co-founder Stealth AI startup Subscribe to Hannah's Substack 'Sustainability by numbers' Want to get in touch? Email solvingforclimate@gmail.com Maddie Drury, Series Producer Transcriptions available: https://solvingforclimate.substack.com/ Co-hosts  Hannah Ritchie, Deputy Editor and Lead Researcher, Our World in Data @_HannahRitchie  Rob Stewart, Co-founder and Director of Sustainability, Koba Subscribe to Hannah's Substack 'Sustainability by numbers' Want to get in touch? Email solvingforclimate@gmail.com Maddie Drury, Series Producer Hosted on Acast. See acast.com/privacy for more information.

    30 min
  5. Ian McKay: How do we get rid of contrails?

    23/09/2025

    Ian McKay: How do we get rid of contrails?

    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 xlinks.co Podcast transcripts available on Substack Ian McKay, Founder of Orca Sciences Co-hosts  Hannah Ritchie, Deputy Editor and Lead Researcher, Our World in Data @_HannahRitchie  Rob Stewart, Co-founder Stealth AI startup Subscribe to Hannah's Substack 'Sustainability by numbers' Want to get in touch? Email solvingforclimate@gmail.com Maddie Drury, Series Producer Transcriptions available: https://solvingforclimate.substack.com/ Co-hosts  Hannah Ritchie, Deputy Editor and Lead Researcher, Our World in Data @_HannahRitchie  Rob Stewart, Co-founder and Director of Sustainability, Koba Subscribe to Hannah's Substack 'Sustainability by numbers' Want to get in touch? Email solvingforclimate@gmail.com Maddie Drury, Series Producer Hosted on Acast. See acast.com/privacy for more information.

    30 min
  6. Leah Ellis: How do you decarbonise concrete?

    16/09/2025

    Leah Ellis: How do you decarbonise concrete?

    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 these high carbon emissions? Season four of Solving for Climate is sponsored by Xlinks xlinks.co Podcast transcripts available on Substack Leah Ellis, CEO Sublime Systems Co-hosts  Hannah Ritchie, Deputy Editor and Lead Researcher, Our World in Data @_HannahRitchie  Rob Stewart, Co-founder Stealth AI startup Subscribe to Hannah's Substack 'Sustainability by numbers' Want to get in touch? Email solvingforclimate@gmail.com Maddie Drury, Series Producer Transcriptions available: https://solvingforclimate.substack.com/ Co-hosts  Hannah Ritchie, Deputy Editor and Lead Researcher, Our World in Data @_HannahRitchie  Rob Stewart, Co-founder and Director of Sustainability, Koba Subscribe to Hannah's Substack 'Sustainability by numbers' Want to get in touch? Email solvingforclimate@gmail.com Maddie Drury, Series Producer Hosted on Acast. See acast.com/privacy for more information.

    29 min
  7. Lauri Myllyvirta: Is China a global climate leader?

    09/09/2025

    Lauri Myllyvirta: Is China a global climate leader?

    Senior 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 power plants comes at odds with their renewable credentials. Season four of Solving for Climate is sponsored by Xlinks xlinks.co Podcast transcripts available on Substack Lauri Myllyvirta, Co-founder, Centre for Research on Energy and Clean Air & Senior Fellow, Asia Society Policy Institute Co-hosts  Hannah Ritchie, Deputy Editor and Lead Researcher, Our World in Data @_HannahRitchie  Rob Stewart, Co-founder Stealth AI startup Subscribe to Hannah's Substack 'Sustainability by numbers' Want to get in touch? Email solvingforclimate@gmail.com Madeleine Drury, Series Producer Transcriptions available: https://solvingforclimate.substack.com/ Co-hosts  Hannah Ritchie, Deputy Editor and Lead Researcher, Our World in Data @_HannahRitchie  Rob Stewart, Co-founder and Director of Sustainability, Koba Subscribe to Hannah's Substack 'Sustainability by numbers' Want to get in touch? Email solvingforclimate@gmail.com Maddie Drury, Series Producer Hosted on Acast. See acast.com/privacy for more information.

    29 min
  8. Prof Alex Edmans: Does divestment from fossil fuels work?

    02/09/2025

    Prof Alex Edmans: Does divestment from fossil fuels work?

    Finance 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 Climate is sponsored by Xlinks xlinks.co Podcast transcripts available on Substack Professor Alex Edmans, Professor of Finance at London Business School Co-hosts  Hannah Ritchie, Deputy Editor and Lead Researcher, Our World in Data @_HannahRitchie  Rob Stewart, Co-founder Stealth AI startup Subscribe to Hannah's Substack 'Sustainability by numbers' Want to get in touch? Email solvingforclimate@gmail.com Madeleine Drury, Series Producer Transcriptions available: https://solvingforclimate.substack.com/ Co-hosts  Hannah Ritchie, Deputy Editor and Lead Researcher, Our World in Data @_HannahRitchie  Rob Stewart, Co-founder and Director of Sustainability, Koba Subscribe to Hannah's Substack 'Sustainability by numbers' Want to get in touch? Email solvingforclimate@gmail.com Maddie Drury, Series Producer Hosted on Acast. See acast.com/privacy for more information.

    39 min
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Trailer

About

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.

Information

  • Creator
    Rob Stewart
  • Years Active
    2024 - 2025
  • Episodes
    25
  • Rating
    Clean
  • Copyright
    © Rob Stewart
  • Show Website
    Solving for Climate

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