A Positive Climate

The uplifting podcast about tackling climate change

A Positive Climate is one of Australia's top climate and environment podcasts, recently the top locally produced show on Apple Podcasts' Australian Technology chart. 

An uplifting podcast about tackling climate change - it is an inspiring look at the products, people and technologies making a real difference.

Hosted by Australian climate technology experts Alex McIntosh and Nick Zeltzer, two friends on a mission to find the solutions to keep their existential crises at bay. 

Look out for prior episodes of covering everything from: hydrogen, lithium mining, plant-based and cell-based meats, electric vehicles, drones, cryptocurrency, solar energy, seaweed, electric bikes, edible waste-eating maggots, and much more.

Previous guests have included innovators and technologists from JET Charge, 5B, Amazon, Zoomo, V2Food, Vow, Sea Forest, Great Wrap, Infravision, Zero Co, Hysata, Sicona, OneSmallStep, Tenacious Ventures, CarsGuide, AMSL Aero, Nori and many more. 

Recent Episodes

A Positive Climate #Wrapped: 2022 in Review with Alex and Nick

Oct. 31, 2022

Alex and Nick wrap up 2022 and the end of season three with a wide ranging chat including an update on the international race to decarbonise, trends in cleantech, a check-in on our BIG predictions and our plans to bring you …

A Positive Climate’s Startup PITCHFEST (feat. EnergyLab’s climate cohort)

Oct. 17, 2022

Nick and Alex hear pitches from TEN of Australia’s up and coming climate startups! This episode brings you something a bit different. We’ve partnered with our friends at EnergyLab (Australia’s leading climate solutions accel…

Building sustainably: making carbon neutral homes and buildings

Oct. 3, 2022

We chat to Liam Wallis, Founding Director of Hip v Hype a leading sustainable property developer based in Melbourne about the built environment and how we can make our homes and buildings carbon neutral. In our chat with Lia…

Removing Carbon from the Atmosphere to Reverse Climate Change (feat. Nori)

Sept. 26, 2022

We chat to Paul Gambill from Nori about their carbon removal marketplace using blockchain technology. This is the second episode in our two-part series about whether crypto and blockchain can be a positive force for addressi…

Crypto and Climate

Sept. 19, 2022

Nick and Alex chat about the impact of crypto and blockchain on climate. Is crypto accelerating climate change or can it be a force for good? Hot off the heels of “the Ethereum Merge” we cover the following in this ep: What …

Night-time Solar: Can UNSW Create Electricity in the Dark?

Sept. 5, 2022

Nick and Alex chat to Ned Ekins-Daukes from UNSW about their breakthrough to create solar energy in the dark. This is a wide ranging chat about how solar panels could generate all of Australia's electricity at night, where c…

About the Hosts

Alex McIntosh Profile Photo

Alex McIntosh

Alex is passionate about innovation and solving one of the greatest challenges of our generation, climate change! Alex has been in the energy sector for over 5 years where she's had experience with hydrogen, distributed energy, pumped hydro and battery storage. Prior to joining the energy revolution, Alex worked in Deal Advisory at KPMG.

Nick Zeltzer Profile Photo

Nick Zeltzer

Nick has been working on climate solutions as far back as 2012. He was previously an Investment Director at climate venture capital fund Virescent Ventures, as well as the CEFC. He also previously led the Innovation Lab at ARENA. Other experience has included roles at Origin Energy, Macquarie Group, Puget Sound Energy in Seattle and as Board Director of Redback Technologies, Downforce Technologies and Green Music Australia