Murray Griffin and Franziska Curran
TRACK CHANGES - chats with climate change and sustainability experts
Tune in for interesting chats with experts and activists working to stop carbon pollution and protect and restore nature. A podcast for those working in the climate and sustainability bubble, and for the bubble-curious! Co-hosted by Murray Griffin, from climate and sustainability communications and content consultancy Earthed.au, and sustainability consultant and lecturer Franziska Curran. It includes regular chats with Mark Tilly, AsIa Pacific editor for Carbon Pulse and Biodiversity Pulse.
Author
Murray Griffin and Franziska Curran
Category
Podcast website
Latest episode
Jun 24, 2026
Where to listen?
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Episodes
Carbon credits (yes, we do need them) 23.03.2025 52:42
Yes, we do need carbon credits to successfully fight climate change. Despite what some say, there's no evidence that we can raise sufficient finance to successfully fight climate change without using them. And there's no way to fully decarbonise at speed without bringing them into play. However, those involved in their creation, purchase, or use need to follow what is now well-established guidanc...
Direct air capture of CO2 - a new global role for Australia? 12.03.2025 1:00:34
Could Australia's future as a renewable energy superpower encompass providing Direct Air Capture services to major international companies? Find out in this chat with two direct air capture (DAC) experts - Julian Turecek, chief executive of Australian start-up AspiraDAC, and Professor Deanna D'Alessandro, director of Sydney University's Net Zero Institute. Find out how DAC works, the state of play...
How drones help us protect the environment and fight climate change 24.02.2025 1:04:19
Three fab guests for this new episode - talking about the use of drones to protect the environment and fight climate change! James Schultz is the co-founder and chief executive of GreenCollar, Australia's largest provider of nature-based carbon abatement. Cam Baker is co-founder and chief executive of NZ-based EnvicoTech, a global drone company. And Joss Crawford is executive director of operation...
What's coming up on climate change and sustainability in 2025 03.02.2025 58:26
In this episode, I run through upcoming climate and sustainability developments in each Australian jurisdiction. There's a lot happening on climate, biodiversity and waste! As well providing a detailed outline of legislative and policy developments, I allocate a word or phrase that in some way captures the performance of each jurisdiction. Find out why I've called one state "the comfort zone", why...
Geoengineering through solar radiation modification - a last chance option? 18.12.2024 56:31
There is no doubt that we have the means and the knowledge to rapidly decarbonise, reach net zero, and become net negative. But success is not guaranteed. If we falter over the coming years, could geoengineering through solar radiation modification be a last chance option? Might we reach the point where we need to cool the planet, to give us a bit more breathing space while we decarbonise? Is it...
International trade and climate policy; plus going feral 15.12.2024 52:37
"We are not getting to net zero, we are not going to meet our climate goals, unless we deal with the emissions associated with international trade." Emma Aisbett. A double-header episode, firstly covering climate change and international trade, then an update efforts to better manage a key threat to Australia's biodiversity. Preventing catastrophic climate change requires a new approach to interna...
COP29 wrap: A surprise, a superfan, and Singapore 05.12.2024 1:04:08
In this episode, find out from Evan Stamatiou what has prompted the Global South to become more enthusiastic about carbon markets. And hear his thoughts on the COP 'beehive', as well as on the importance of COP-complementary action, as demonstrated by regional leaders such as Singapore. And for all you wonks out there who think you understand the Paris Agreement's Article 6 international coopera...
COP29: Peter Castellas on carbon markets and climate finance 21.11.2024 27:27
This COP29 episode is a chat with Peter Castellas, chief executive of Climate Zeitgeist. Peter founded Climate Zeitgeist to catalyse investment in business solutions that address climate change. Its activities include the annual Climate Investor Forum, which connects investors and climate change solutions providers. Peter talks about the COP, with a strong focus on progress being made on rules for...
COP29 mix-tape: Vox pops from the delegates pavilion 20.11.2024 35:35
Vox pops are journalism's equivalent of bungee jumping - you take a leap forward and hope for the best! I wandered the corridors of the large area allocated for organisation and country pavilions at COP29, asking representatives about their work, and about their focus at the COP. You'll hear from people working on issues including health, adaptation, risk communication, solar energy, transition...
COP29: Richie Merzian - from negotiator to clean energy advocate 18.11.2024 39:09
Richie Merzian is currently the chief executive of Australia's Clean Energy Investor Group, which represents investors in the clean energy transition. He is also a former member of Australia's negotiating team, so he can talk about the COP from both sides of the fence. In this wide-ranging episode Richie explains how the negotiations operate, and describes what clean energy investors can bring t...
COP 29: Leaders of today and tomorrow 15.11.2024 48:30
This episode is a two-parter - the first part featuring leaders of today, and the second featuring leaders of tomorrow. First up, you'll hear from three speakers at the leaders segment that kicked off COP29 - UN Secretary-General Antonio Guterres, the UN's chief climate scientist Jim Skea, and the Prime Minister of Barbados, Mia Mottley. (I'm a big fan of Prime Minister Mottley, and you'll u...
COP 29 - damaged, but not lost: We can still do this! 12.11.2024 44:59
The episode features Kesaya Baba, who is heading up WWF Australia's delegation to the COP, and Mark Tilly, Asia Pacific editor of Carbon Pulse. There's excellent comments and insights from both. Yes, Trump's election win has damaged the mood of the COP, and the damage might extend beyond the atmospherics to some key issues that are the focus of the negotiations, as Mark explains. But not everyth...
Good, but not great? 29.10.2024 42:10
Australia's big emitters must play their part in the push to net zero. But how effective is the national policy designed to rein in their emissions, known as the reformed Safeguard Mechanism? Safeguard experts Thomas Hodgson and Dr Franziska Curran of sustainability consultancy Anthesis Group score and dissect the scheme, and suggest ways it could be improved. Find out where the "magic" lies in...
Food's $1 billion man 22.10.2024 21:53
Coverage of the AltProteins 24 conference, hosted by the Australian/NZ Food Frontier think-tank. Includes comments from food's $1 billion man - Dr Andy Jarvis, director of the Bezos Earth Fund's 'Future of Food' program, which has committed $1 billion to help transform food and agricultural systems to support healthy lives, without degrading the planet. Plus vox pops from conference delegates, and...
Susan Brown: How international sustainability negotiations are evolving 14.10.2024 39:40
An interview with international advocacy and diplomacy expert Susan Brown, who is shortly taking up the post of UNDP Assistant Administrator, and Director of its External Affairs and Advocacy Bureau. Speaking in a personal capacity, Susan describes how international sustainability/sustainable development negotiations are evolving, and discusses what it takes to have a positive impact on negotiati...
Trailer 11.10.2024 1:56
We're all on the same planet, but we're not all on the same page. In fact, really, I think this is the critical decade in more than one way. Yes, it's definitely the critical decade in terms of being the last chance to rescue our climate, our natural environment, and our wellbeing. But it's the critical decade in another way, too. Many people working in climate change and sustainability operate...
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