SWR Member Interview: Lessons on lightweighting from Wirra Wirra

SWR Member Interview: Lessons on lightweighting from Wirra Wirra

In this Sustainable Wine Roundtable Member Interview podcast, I’m joined by Luke Tyler, marketing and sales director, and Matthew Deller MW, CEO of Wirra Wirra. Located in South Australia's McLaren Vale, the winery exemplifies what the region is well-known for: premium red wine and a strong commitment to sustainability.

Wirra Wirra has a long history of sustainable practices, with current initiatives spanning across waste reduction, decarbonisation, biodiversity, packaging, and a reconciliation action plan. In recent years, lightweighting has been a major focus, and this year the winery introduced a proprietary 410g glass bottle across a significant portion of its production.

Matt and Luke share practical insights into the lightweighting process, the importance of partnerships across the value chain, and why they chose to join the Sustainable Wine Roundtable and the Bottle Weight Accord.

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Learnings from Bordeaux: A collaborative approach to labour standards

Learnings from Bordeaux: A collaborative approach to labour standards

In this From the Roundtable episode, I’m joined by Dr Peter Stanbury who provides an update on his recent visit to Bordeaux, where SWR and CIVB co-hosted an event focused on seasonal employment in the...

21 Apr 9min

From blossom to bottle: A natural alternative to sulfites

From blossom to bottle: A natural alternative to sulfites

In this Sustainable Wine Roundtable Member Interview podcast, I’m joined by Filipe Carvalho, head of business development at Tree Flower Solutions (TFS), a Portuguese biotech startup that develops nat...

8 Apr 25min

From the Roundtable: How can we make more informed packaging decisions?

From the Roundtable: How can we make more informed packaging decisions?

In this From the Roundtable episode, I’m joined by Dr Peter Stanbury and Luke Mobley to discuss SWR’s work in packaging. We cover why packaging is such a big topic when it comes to sustainability in t...

20 Mars 11min

Making audits count: How can we move beyond box-ticking to meaningful impact?

Making audits count: How can we move beyond box-ticking to meaningful impact?

ISO Certification might not be a popular dinner party topic for most people, but if anyone can convince you otherwise, it's managing director Jose Bishop from A Good Certification Group (formerly Cert...

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From the Roundtable: A more efficient approach to vineyard sustainability

From the Roundtable: A more efficient approach to vineyard sustainability

In this From the Roundtable episode, I'm joined by Toby Webb and Dr Peter Stanbury to discuss SWR's recent decision to combine some efforts from our Labour Standards and Sustainable Viticulture Protoc...

24 Feb 18min

Is product carbon footprinting possible at scale? Insights from Systembolaget

Is product carbon footprinting possible at scale? Insights from Systembolaget

In this Sustainable Wine Roundtable Member Interview podcast, I’m joined by Gad Pettersson, head of sustainability and product quality at Systembolaget. As part of its ambitious decarbonisation plans,...

16 Feb 25min

From the Roundtable: What's next for SWR?

From the Roundtable: What's next for SWR?

In the first From the Roundtable episode of the year, I'm joined by Dr Peter Stanbury and Delaney Sheridan to discuss what lies ahead for SWR in 2026. Following an incredibly fruitful year, we've got ...

28 Jan 8min

From the Roundtable: 2025 in review

From the Roundtable: 2025 in review

In the final From the Roundtable episode of 2025, I’m joined by SWR’s Toby Webb, Dr Peter Stanbury and Delaney Sheridan to reflect on the year. We review what we set out to achieve, what we've accompl...

11 Dec 202511min

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