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(don't) Waste Water! | Water Tech to Solve the World

Antoine Walter
PFAS
Water Technology
Water Treatment
Water Scarcity
Sustainability
Water Industry
Wastewater Treatment
Climate Change
Water Reuse
Water Management
Reverse Osmosis
Sustainable Development Goals
Lithium Extraction
Lithium
Desalination
Venture Capital
Environmental Regulation
Water Quality
Public Health
Water Access

❓ Ever wondered how the #WaterIndustry was reacting to our World's Water Challenges? Water Scarcity? #SDG6? PFAS? Climate Change? Circular Economy? Digitization and Smart Water? 💪 Get the Water Market pulse for free. In one hour per week, while you do the dishes! 📈 We talk water investment, water tech, water entrepreneurship and water market with entrepreneurs, thought leaders, book authors, sci... more

PublishesWeeklyEpisodes500Founded6 years ago
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Natural SciencesScienceTechnology

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Latest Episodes

On April 30, 2026, CRH plc (NYSE: CRH) announced a $700 million agreement to acquire Axius Water from KKR and XPV Water Partners - instantly making the Irish-American building materials giant one of the largest water infrastructure players in North A... more

Everyone says AI is drinking the planet dry, right? Well, the numbers say your morning coffee uses 29,600× more water than a ChatGPT prompt!

In this episode, I sit down with Alex Passini to pressure-test the dominant narrative around AI's water foot... more

Every analyst, every think tank, every consulting deck has an opinion on AI's water footprint (and overall on AI and Water)

But nobody bothered to ask the people actually watching the videos, posting the comments, and shaping the narrative. You'd ne... more

Who Buys the First Data Center Water Company? And When Does the Repricing Start?

Data center water treatment is a $1.1 billion market growing nearly 15% per year, with 60% of spending recurring - generating an "infinite money glitch" for the righty ... more

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Recent Guests

David Anderson
Managing Partner, XPV Water Partners
XPV Water Partners
Episode: Guess Who Just Spent $700M on Water? (10 Things Investors Missed) - CRH acquires Axius Water from KKR and XPV Water Partners
Alex Passini
Water influencer and expert featured for his work on water-AI nexus
Water industry influencer
Episode: Your Cup of Coffee Uses 29,600x More Water Than a ChatGPT Prompt (w. Alex Passini) [2/2]
Alex Bassini
Vice President, CSA Group; speaker who analyzed AI-water questions and data-center cooling
CSA Group
Episode: Nobody Asked What the Public Actually Thinks About AI and Water. So I Did. [1/2]
Ahren Britton
CEO and co-founder of AlgaeFilm Technologies
AlgaeFilm Technologies
Episode: His First Two Inventions Made Billions - Number Three Just Went Live
Lorenzo Falzarano
CEO and founder of Orb, focused on real-time microbial monitoring.
Orb
Episode: Why Water Testing Methods Are Dangerously Outdated (w. Lorenzo Falzarano - Orb)
Guillaume Clairet
COO at H2O Innovation and GP at the Cycle H2O Fund
H2O Innovation
Episode: 25 Years of Acquisitions Built This Water Tech Powerhouse [M&A]
Simon Olivier
Head of Cycle H2O Water Fund and senior partner at Cycle Capital
Cycle H2O
Episode: The Future of Water Tech VC: Why Specialists Are Finally Emerging.
Henry Charrabé
CEO at Seven Seas Water Group
Seven Seas Water Group
Episode: What Does a Billion-Dollar Company Exit Really Look Like?
John Rosenberg
Fund manager at Loughlin Water Partners
Loughlin Water Partners
Episode: What Does a Billion-Dollar Company Exit Really Look Like?

Host

Antoine Walter
Host of a podcast focused on exploring water technology, investment, and management, with a background as a water engineer and a passion for making complex topics accessible.

Reviews

4.8 out of 5 stars from 58 ratings
  • Stoked 🏄‍♂️

    Proud of what you’re building, Antoine. There’s a discipline (and fun) here you only get from being close to the work and putting in the research time. Good seeing you at UltraFacility last week.

    Apple Podcasts
    5
    Barron.live
    United States5 months ago
  • Awesome Podcast!!!

    Antoine, host of the (don't) Waste Water! Podcast, highlights all sustainability and more in this can’t miss podcast! The host and expert guests offer insightful advice and information that is helpful to anyone that listens!

    Apple Podcasts
    5
    roweereyes
    Philippines4 years ago
  • Top marks!

    Great interviewer and great interviewees! Thanks for putting this on

    Apple Podcasts
    5
    gleemills
    Israel4 years ago
  • Great insights on an evolving

    Antoine does a great job boiling down complex topics on the issues that matter most in water

    Apple Podcasts
    5
    Daniklass
    Canada4 years ago
  • Exactly what it says on the tin. A great resource for people interested in wastewater or who want to keep up with recent developments particularly from an environmental perspective. Only negative is that sometimes mic quality can be noticeably low, though it varies depending on the speaker and does not impact ability to understand.

    Audible
    5
    Andrea-lee Cipollone
    United States5 years ago

Listeners Say

Key themes from listener reviews, highlighting what works and what could be improved about the show.

Reviews highlight the quality of guests and the diverse perspectives provided on crucial water industry issues.
Listeners appreciate the engaging and informative nature of the discussions, often finding them educational and enjoyable.
Many commend the host's ability to simplify complex water topics, making them accessible to a broader audience.

Chart Rankings

How this podcast ranks in the Apple Podcasts, Spotify and YouTube charts.

Talking Points

Recent interactions between the hosts and their guests.

Your Cup of Coffee Uses 29,600x More Water Than a ChatGPT Prompt (w. Alex Passini) [2/2]
Q: What is the next role you would hire for as a Water Tech company grows?
Continued emphasis on project management, as AI tools will augment managers rather than replace them; emphasis on hiring in multiple locations.
Your Cup of Coffee Uses 29,600x More Water Than a ChatGPT Prompt (w. Alex Passini) [2/2]
Q: What has been your most unexpected partnership and what did it bring?
Building a strong online community around water has yielded unexpected partnerships and broad engagement beyond traditional industry circles.
Your Cup of Coffee Uses 29,600x More Water Than a ChatGPT Prompt (w. Alex Passini) [2/2]
Q: What is the best single piece of advice for founders in water startups?
Find the right advocates who can champion your cause and help build a supportive community around water infrastructure.
Your Cup of Coffee Uses 29,600x More Water Than a ChatGPT Prompt (w. Alex Passini) [2/2]
Q: What is the toughest challenge for a Water Tech startup?
Funding stands out as the primary hurdle, influencing everything from product development to scaling operations.
Why Water Testing Methods Are Dangerously Outdated (w. Lorenzo Falzarano - Orb)
Q: What would be your best single piece of advice for the founders and managers of early stage water startups?
Validate or crush your assumptions as quickly as possible. Most of them will be false, but some might be good nuggets in there.

Audience Metrics

Listeners, social reach, demographics and more for this podcast.

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Frequently Asked Questions About (don't) Waste Water!

What is (don't) Waste Water! about and what kind of topics does it cover?

This podcast focuses on the multifaceted challenges and advancements within the water industry, addressing critical issues such as water scarcity, climate change, and contamination caused by persistent chemicals like PFAS. The content features discussions with a wide range of experts, including water engineers, entrepreneurs, scientists, and C-level executives from leading organizations in water technology and management. Episodes explore innovative solutions and strategic insights related to water investment, advanced treatment technologies, and the circular economy, aiming to provide listeners with an accessible understanding of these complex topics and the state of the water market.

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1. Hard Fork
2. The AI Daily Brief: Artificial Intelligence News and Analysis
3. The Daily
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(don't) Waste Water! launched 6 years ago and published 500 episodes to date. You can find more information about this podcast including rankings, audience demographics and engagement in our podcast database.

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What guests have appeared on (don't) Waste Water!?

Recent guests on (don't) Waste Water! include:

1. David Anderson
2. Alex Passini
3. Alex Bassini
4. Ahren Britton
5. Lorenzo Falzarano
6. Guillaume Clairet
7. Simon Olivier
8. Henry Charrabé

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