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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

PublishesWeeklyEpisodes504Founded6 years ago
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Natural SciencesScienceTechnology

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Latest Episodes

Thermal desalination lost the water industry to reverse osmosis on one number: boiling seawater takes about ten times more energy than pushing it through a membrane. So why is one of the 20 teams left in the XPRIZE Water Scarcity competition still be... more

FREE TOOL ➡️ Get your water tech pitch reviewed: app.leviathandata.io/pitch-deck-analyzer

More #water insights? Connect with me on Linkedin: www.linkedin.com/in/antoinewalter1/

See how the Northumbrian Water Innovation Festival brin... more

How did HG Ventures quietly become one of the most active water tech investors on the planet, without even calling itself a water VC?

HG Ventures is the corporate venture capital arm of The Heritage Group, a 100-year-old, family-owned Indianapolis c... more

The First Water Sector Unicorn Wants to IPO. But Wall Street kinda forgot how to buy water...

Early-stage water tech funding quadrupled in seven years. Private equity's share of water M&A doubled in a decade, with a record 165 PE-led acquisitions in... more

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Recent Guests

William Janssen
Founder of Desolenator
Desolenator
Episode: So, Thermal Desalination is the Future Now? (w. Willian Janssen - Desolenator)
Ginger Rothrock
Managing Director of HG Ventures, Heritage Group
HG Ventures / Heritage Group
Episode: The Water VC You Can't Name (How HG Ventures Deployed $48,523,663 in Water Tech)
Anurag Bajpayee
CEO and co-founder of Gradiant
Gradiant
Episode: 600 Private Water Bets - Zero Public Exits. Is This Sector About to Crack? (and will Gradiant IPO?)
Aurelia Carrère
Thematic chair at Summa Equity
Summa Equity
Episode: 600 Private Water Bets - Zero Public Exits. Is This Sector About to Crack? (and will Gradiant IPO?)
Joak van Schelden
Partner at ProTerra Ventures
ProTerra Ventures
Episode: 600 Private Water Bets - Zero Public Exits. Is This Sector About to Crack? (and will Gradiant IPO?)
Samrat Karnik
Head of Water M&A at Julian Loki
Julian Loki
Episode: 600 Private Water Bets - Zero Public Exits. Is This Sector About to Crack? (and will Gradiant IPO?)
David Rose
Head of Water Strategy and Finance at Talis Water Advisors
Talis Water Advisors
Episode: 600 Private Water Bets - Zero Public Exits. Is This Sector About to Crack? (and will Gradiant IPO?)
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]

Host

Antoine Walter
Host of (don't) Waste Water! | Water Tech to Solve the World

Reviews

4.8 out of 5 stars from 59 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 States8 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
    Canada5 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.

The show is valued for making complex water topics accessible and engaging for a broad audience.
Listeners praise the host's clarity and depth, calling episodes insightful and practical for investors and water pros.
Guests are described as top-notch with strong expertise, providing valuable, actionable content.

Chart Rankings

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

Talking Points

Recent interactions between the hosts and their guests.

So, Thermal Desalination is the Future Now? (w. Willian Janssen - Desolenator)
Q: How did you secure the necessary funding and support to scale from prototype to municipal-scale demonstration?
Funding came through a combination of a EU Climate Launchpad prize, an Indiegogo campaign, and accelerators including Dubai Future Accelerator, along with partnerships with government entities that provided funding and procurement pathways, plus IP protection via patents.
So, Thermal Desalination is the Future Now? (w. Willian Janssen - Desolenator)
Q: What were the KPIs to prove the concept at municipal scale?
The KPIs were to produce at least 10 cubic meters of water per day, operate for a minimum of 20 hours per day, and account for seasonal variations, ensuring the system could run reliably under Dubai's winter conditions.
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.

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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?

A platform focused on water technology, investment, and entrepreneurship, with discussions spanning thermal desalination, water reuse, nutrient removal, AI's impact on water systems, and the evolving landscape of corporate venture capital in the sector. Episodes mix founder journeys, large-scale deployment insights, and market-shaping finance moves, often highlighting real-world pilots, regulatory drivers, and innovative business models that push adoption in utilities, data centers, and industrials. A notable pattern is the blend of technical depth with practical economics, plus a recurring emphasis on scalability, partnerships, and pragmatic pathways to impact in a complex, capital-intensive industry.

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Which podcasts are similar to (don't) Waste Water!?

These podcasts share a similar audience with (don't) Waste Water!:

1. The Prof G Pod with Scott Galloway
2. Macro Voices
3. All-In with Chamath, Jason, Sacks & Friedberg
4. The Tim Ferriss Show
5. The Rational Reminder Podcast

How many episodes of (don't) Waste Water! are there?

(don't) Waste Water! launched 6 years ago and published 504 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. William Janssen
2. Ginger Rothrock
3. Anurag Bajpayee
4. Aurelia Carrère
5. Joak van Schelden
6. Samrat Karnik
7. David Rose
8. David Anderson

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