An unscripted conversation with guests who reject the status quo with a bias for action, in the world of water and beyond. Co-hosted by Will Sarni and Tom Freyberg.
The Aspen National Water Strategy – Prof. Newsha Ajami on water security as a cornerstone of the US economy
41 mins; February 19, 2026
18,000 oysters & counting – Prof. Fiona Regan on restoring nature’s super filters and eDNA
40 mins; January 28, 2026
Building the world’s first biodiversity venture fund – Tom Quigley, Superorganism
43 mins; January 14, 2026
The Latin American iceman - Sebastián Goldschmidt on restoring ice reserves and ecosystems
37 mins; January 08, 2026
Taking on PFAS (forever chemicals) with synthetic biology – Nicole Richards
45 mins; October 08, 2025
Galvanizing climate solutions – Ida Hempel on water investments and her time at Tesla
41 mins; September 17, 2025
Planting 12.5 million trees and counting – Earthshot winner Florent Kaiser on local water stewardship in Latin America
48 mins; August 27, 2025
Building a stock exchange for nature recovery – Guy Thompson
46 mins; August 13, 2025
Voices of Regeneration: Founders Driving Innovation
74 hours 19 mins; July 25, 2025
Pickleball, political headwinds and reflecting on water ‘Legends’ – Brendan Tierney
34 mins; May 09, 2025
California’s ‘water czar’ - Felicia Marcus on the LA fires and creating resilience in uncertain times
40 mins; April 28, 2025
From FIG to FIGS – Usha Rao-Monari on water economics and the need to make flexible financing work
45 mins; April 26, 2025
From FIG to FIGS – Usha Rao-Monari on water economics and the need to make flexible financing work
45 mins; April 11, 2025
Reasons for hope and climate optimism – Dr Peter Gleick on the three ages of water
54 mins; January 30, 2025
Building & selling a water software company for $1 billion – Colby Manwaring on life after the exit
51 mins; January 15, 2025
From ‘idealistic professor’ to water tech titan - Dr Andrew Benedek
56 mins; January 02, 2025
Water and digital convergence – hydroinformatics leader Professor Dragan Savić
53 mins; December 12, 2024
22 years driving water industry analysis and intelligence - industry torchbearer Christopher Gasson
52 mins; November 27, 2024
Investing into ag-tech innovations and farmland with agronomist Baptiste Tellier | The Stream with Will and Tom
39 mins; July 31, 2024
40 years of catalysing agricultural innovation with Nebraskan farmer, Roric Paulman
40 mins; July 11, 2024
The bright lights of vertical farming and water savings with Noah Zelkind, 80 Acres Farms
37 mins; June 26, 2024
Understanding farmers’ water challenges and scaling innovative business models with Kilimo’s Jairo Trad S7 Ep.3
36 mins; June 12, 2024
Soil health, why it matters and the impact on water with MyLand’s Dane Hague | S7 Ep.2
50 mins; May 28, 2024
Water stewardship and regenerative agriculture with Diageo’s Michael Alexander | S7 Ep.1
43 mins; May 15, 2024
4th Generation Ranching and liquid gold with Jerry Gunderson | S6 Ep.5
39 mins; October 18, 2023
Hats off to rancher-turned-water policy guru James Eklund on the ‘Law of the River’ | S6 Ep.4
58 mins; August 15, 2023
Catalysing first movers in the decentralised water evolution with Newsha Ajami | S6 Ep.3
44 mins; August 15, 2023
Greywater reuse and beer with Aaron Tartakovsky | S6 Ep.2
42 mins; August 07, 2023
Building a future-proof utility in the desert with Dave Johnson | S6 Ep.1
41 mins; July 18, 2023
Sustainability legend John Elkington on the triple bottom line | S5 Ep.10
38 mins; March 23, 2023
Building the Netflix of beverages with Manuela Zoninsine | S5 Ep.9
45 mins; March 09, 2023
Water, whisky & Greta – realising water’s value with John Matthews | S5 Ep.8
44 mins; February 23, 2023
From Wall Street to Water: Investment trends with Brendan Tierney | S5 Ep.7
36 mins; February 09, 2023
Crafting culture in a digital start-up with Meena Sankaran | S5 Ep.6
40 mins; January 26, 2023
Rethinking the urban water dilemma with architect Karina Peña | S5 Ep.5
37 mins; January 12, 2023
Chatting with green business guru Joel Makower | S5 Ep.4
47 mins; December 21, 2022
Upskilling water’s workforce through ‘living laboratories’ | S5 Ep.3
34 mins; December 08, 2022
Helping Santa Monica become water self sufficient with Sunny Wang | S5 Ep.2
41 mins; November 24, 2022
The role of AI in water with Victoria Edwards | S5 Ep.1
43 mins; November 10, 2022
Rethinking California's water strategy with Mohsen Mortada | The Stream on the road
14 mins; September 29, 2022
Czech-ing in with Pavel Policar, the "water butcher" | The Stream on the road
10 mins; September 15, 2022
Green exaggeration with Sanmit Ahuja | The Stream on the road
22 mins; September 15, 2022
Driving down Jamaica's water losses with Mark Barnett | The Stream on the road
15 mins; September 07, 2022
Overcoming apathy to water to achieve the SDGs with Dr Patrick Moriarty | S4 Ep.11
41 mins; June 22, 2022
Cascading innovation across multinationals with Carolina Garcia Arbelaez | S4 Ep10
37 mins; June 01, 2022
Finding the right water investment with Avent Bezuidenhoudt | S4 Ep.9
33 mins; May 11, 2022
Democratising real-time flood data with Bessie Schwarz | S4 Ep.8
36 mins; April 27, 2022
Rethinking urban water solutions with Professor Newsha Ajami | S4 Ep.7
42 mins; April 14, 2022
ESG, water and first adopters with Nate Allen | S4 Ep.6
38 mins; March 30, 2022
Disrupting engineering design with Ari Raivetz | S4 Ep.5
34 mins; March 16, 2022
Shaping in-building water efficiency with Alex McCormack | The Stream S4 EP.4
41 mins; March 02, 2022
The edge effect on digital, diversity and young professionals with Emma Weisbord | The Stream S4 Ep.3
42 mins; February 17, 2022
Disrupting the urban water landscape with Erin Rothman | S4 EP.2
35 mins; February 03, 2022
Leading the air to water movement with Cody Friesen | S4 EP.1
38 mins; January 20, 2022
S3 Ep.10 It’s all about the people with Dr Reinhard Hübner, CEO, SKion Water
37 mins; November 04, 2021
S3 EP.9 Leading the hydration revolution with Pierandrea Quarta
32 mins; October 20, 2021
S3 Ep.8 A walk in the woods with Dr. Piers Clark
36 mins; October 06, 2021
S3 Ep.7 Space, STEM education & water with John Etgen & Ricky Arnold
33 mins; September 22, 2021
S3 Ep.6 Closing the water GAP with Lisa Hook
33 mins; September 14, 2021
S3 Ep. 5 Supersizing water's value with Ian Olson, McDonald's
38 mins; August 25, 2021
S3 Ep.4 Innovation and Utility Culture with Angela MacOscar
33 mins; August 10, 2021
S3 Ep.3 Filling the Data Gaps on Water Poverty with Sera Young
35 mins; July 28, 2021
S3 Ep.2 Creating the 50 litre home with Frantz Beznik
35 mins; July 14, 2021
S3 Ep.1 Scaling a start-up on lead detection in water with Ari Kaufman
42 mins; June 30, 2021
Ep 10: Social Entrepreneurship [+SGDs] with Madeleine Bell
39 mins; May 19, 2021
Ep 9: Solving wicked problems with catalytic communities with Tom Higley
40 mins; May 05, 2021
Ep 8: Calling time on water’s echo chamber with Alexander Crowell
40 mins; April 22, 2021
Ep 7: Racing to global water access with Eleanor Allen
43 mins; April 06, 2021
Ep 6: Rock 'n' rolll and digital twins with Mark Kaney
36 mins; March 24, 2021
Ep 5: Water. Paddleboarding. Innovation with Fiona Regan
35 mins; March 10, 2021
Ep 4: Mental wellbeing and mountain biking with Damian Wells
40 mins; February 24, 2021
Ep 3: Water footprints and Captain Planet with Ioana Dobrescu
37 mins; February 10, 2021
Ep 2: Digitally mapping the world with Dr Chris Fisher
40 mins; January 27, 2021
Ep 1: Hydrow's interactive water partnership with Sera Moon
36 mins; January 13, 2021
Ep 17: Sheds, Shirts and Sturgeons with Stuart Orr
37 mins; December 09, 2020
Ep 16: Innovation and ukuleles in the Philippines with Yang Villa
36 mins; November 25, 2020
Ep 15: Innovation, unreasonable people & PFAS with Tali Harif
34 mins; November 11, 2020
Ep 14: Crowdfunding water innovations and chicken dinners with Lon Johnson
34 mins; October 28, 2020
Ep 13: Urban water innovation, dogs & TikTok with Kelly Trott
38 mins; October 15, 2020
Ep 12: Music, memories & Zimbabwe’s water challenges
36 mins; September 23, 2020
Ep 11: Water enterprise & innovation in Ghana with Jacob Amengor
35 mins; September 08, 2020
Ep 10: The 100+ Sustainability Accelerator with Andre Fourie
52 mins; August 26, 2020
Ep 9: Water Stewardship (and the braai) with David Grant
49 mins; August 11, 2020
Ep 8: Smarter agricultural water trading with Richael Young
50 mins; July 28, 2020
Ep 7: Vertical farming, water and Pitbull with Mike Zelkind
52 mins; July 15, 2020
Ep 6: Four water tech trends with Imran Jaferey
45 mins; June 30, 2020
Ep 5: How we got into water (+bow ties and treadmills) with Jon Grant
45 mins; June 17, 2020
Ep 4: Artificial intelligence (AI) in water with Prateek Joshi
44 mins; June 02, 2020
Ep 3: Blockchain and water trading with Katrina Donaghy
52 mins; May 20, 2020
Ep 2: Digital water, data privacy and martinis
22 mins; May 05, 2020
Pilot: Nature's reboot, flannel shirts & why 'The Stream'
