What does a horror-game-loving Italian engineer have to do with cleaning your wastewater? More than you'd think... and the journey starts in a paddy rice field.

In Episode 62 of The Grand Challengers Podcast, host Peter Marcus Bach welcomes Dr Anacleto Rizzo, Partner at IRIDRA Srl in Florence, President of Global Wetland Technology, and one of Europe's most active voices on nature-based solutions (NBS) for the water sector. They begin where two self-confessed geeks should: David Lynch films, Resident Evil vs Silent Hill, and the perils of playing first-person horror games in bed next to a sleeping spouse.

From there, the conversation winds through Anacleto's serendipitous journey into engineering, a randomly chosen civil degree at Politecnico di Torino that ended, unexpectedly, in a PhD on methane emissions from paddy rice fields. He explains why Italy's rice country in Piedmont is a methane hotspot (with a vivid biological analogy you won't forget), and how a single review paper on treatment wetland modelling, read at the right moment, redirected his career toward nature-based wastewater treatment.

Treatment wetlands are the through-line of this episode: a quietly revolutionary technology that's been working for 30+ years, treats up to tens of thousands of population equivalent, and remains chronically misunderstood. We unpack what they actually are, why a few "Wild West" early failures in Italy still haunt the field.

The deeper thread is the academic-practitioner bridge. Treatment wetlands matured because practitioners went out and monitored real, full-scale systems, generating the unglamorous journal papers that lab-scale studies could never produce. He shares why "throwing your heart beyond the fence" (a wonderful Italian idiom for taking calculated risks) is the only way to escape the technological-readiness-level trap.

Recommended for anyone curious about how nature does the dirty work better than concrete ever did.

Chapters:
0:00 Intro
1:59 Guest Intro, Cult Movies & Horror Games
7:47 Why Civil Engineering?
10:16 A PhD on "rice flatulence”
14:48 Adding treatment wetlands to the mix
19:06 A 101 on Treatment Wetlands
37:17 The terminology discussion and IRIDRA
51:42 IRIDRA's Projects & Global Wetland Technology
56:46 General receptivity of NbS in Italy
1:03:08 Some exciting things Anacleto is embarking on
1:07:15 Q&A Start
1:07:26 What does innovation mean to you?
1:08:30 Key event, book, person
1:09:51 Time Management
1:12:46 Favourite childhood memory
1:13:45 Greatest challenge to date
1:15:25 Advice for young professionals
1:18:03 What would you most like to be remembered for?
1:20:11 Where can people find you?
1:20:58 Final message
1:21:19 Outro

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