I Met These Climate Start-ups—Here’s What They’re Building episode artwork

EPISODE · Jun 20, 2026

I Met These Climate Start-ups—Here’s What They’re Building

from Climate Chat · host Dan Miller and Leon Simons, hosts

In this Climate Chat episode, host Dan Miller reviews a number of climate tech start-up companies that he met at the recent Venture Summit West conference in Mountain View, California. Links to the start-up companies mentioned in the episode: Green Gravity: https://greengravity.com RISE Robotics: https://riserobotics.com Element Zero: https://elementzero.green/ ADAR Plus: https://www.adartech.com/ Volexion: https://www.volexion-inc.com/ Aeromutable: https://www.aeromutable.com Renu Robotics: https://renurobotics.com NEG (Non-Ergodic Generator): https://www.institut-kurz.com/NEG/ Please Like and Subscribe! Listen to Climate Chat on Apple Podcasts: https://podcasts.apple.com/us/podcast/climate-chat/id1893162516 Listen to Climate Chat on Spotify: https://open.spotify.com/show/1m0OSLWRPPcyOddErvxJ1e Dan Miller has been giving talks around the world on the need for urgent climate action for over 20 years. He is co-founder of The Roda Group, a climate-tech venture capital group, and he serves as an advisor for other climate funds and climate-focused non-profit groups. He started Climate Chat in 2021 on Clubhouse and added YouTube in 2023. Follow Dan Miller on X/Twitter: @danmiller999 Follow Dan Miller on Bluesky: @danmiller999.bsky.social and @climatechat.bsky.social Leon Simons is a climate scientist based in the Netherlands. He was a co-author with James Hansen on the 2023 "Global Warming in the Pipeline" paper that discussed the recent acceleration in global warming. Leon's work has focused recently on changes in aerosol emissions from ships and the impact of those changes on climate change. You can access Leon's research writings here: https://www.researchgate.net/profile/Leon-Simons Follow Leon on X/Twitter: @LeonSimons8 and Bluesky: ‪@leonsimons.bsky.social‬ Follow Leon on Patreon: https://www.patreon.com/c/LeonSimons/home Follow Stacey Randecker on X/Twitter: @DrivingMzStacey and Bluesky: @bikingmzstacey.bsky.social Follow Eli Rabani on X/Twitter: @radsci and Bluesky: @radsci.bsky.social You can leave a question in the YouTube Live chat. Please begin your question with "Question:" to make it easy for our mods to spot it. For more Climate Chat episodes, see our YouTube home page: https://www.youtube.com/@climatechat For recent YouTube Live Climate Chat programs: https://www.youtube.com/@climatechat/streams

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I Met These Climate Start-ups—Here’s What They’re Building

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