AJ Climate Champions

AJ Climate Champions

Architects’ Journal

Episodes 63
Avg. Duration 42m
Activity Sporadic
Apple Rating 5.0 (2)
Since Oct 2020
Latest Episode Dec 2025

Outreach Signals

Open to Sponsors Features Guests

Publishing Details

Schedule
Every 2 Weeks
Format
Episodic
Consistency
100%
Hosting
feed.podbean.com

About This Podcast

Brought to you by the Architects’ Journal. AJ sustainability editor Hattie Hartman and co-host Joe Jack Williams talk to changemakers and innovators who are transforming architecture by designing in ways that respect planetary boundaries. Nominated for Audio Content of the Year at the PPA Awards 2025.

Show notes & more info here: https://www.architectsjournal.co.uk/podcasts

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Recent Episodes

Ana Belizário: ‘Timber should be the material of choice in the global south’

Dec 10, 2025 47m

Episode 61. AJ Climate Champions with Hattie Hartman and Joe Jack Williams.  In this episode, we turn our attention to the global south. Ana Belizário describes Brazil’s burgeoning mass timber…

Kirsten Haggart: Building with timber has reached a ‘tipping point’

Nov 26, 2025 46m

Episode 60. AJ Climate Champions with Hattie Hartman and Joe Jack Williams.  In this episode, we take a deep dive into building with timber. Haggart shares numerous tips for practices just getting…

Joe Giddings on the ‘mind-blowing’ growth of bio-based materials in Europe

Nov 12, 2025 45m

Episode 59. AJ Climate Champions with Hattie Hartman and Joe Jack Williams.  On the eve of Cop30 in Brazil, Built by Nature European Networks Lead and ACAN co-founder Joe Giddings talks to the AJ…

Material Cultures' Summer Islam: ‘We start with a map of nearby materials and products’

Feb 26, 2025 53m

Episode 58. AJ Climate Champions with Hattie Hartman and Rachael Owens.  Material Cultures co-founder Summer Islam explains how a regional ‘materials matrix’ informs the design process. ‘We imagine…

‘Retrofit is seen as really alienating. We’re trying to blow that apart’

Feb 12, 2025 46m

Episode 57. AJ Climate Champions with Hattie Hartman and Rachael Owens.  Melissa Mean from community land trust WeCanMake explains how a community-led approach in Bristol is tackling the housing…

Tara Gbolade: ‘It’s unsustainable for small practices not to upskill’

Jan 29, 2025 42m

Episode 56. AJ Climate Champions with Hattie Hartman and Rachael Owens.  Gbolade Design Studio’s Tara Gbolade shares insights from her new book, Changing the Game: How to be a sustainable and…

‘Even a small practice can push the boundaries of reuse’ – Brisco Loran

Dec 11, 2024 43m

Episode 55. AJ Climate Champions with Hattie Hartman and Rachael Owens.  AJ Climate Champions’ latest series focuses on retrofit. Our guest today is Thom Brisco of Brisco Loran, who talks to us about…

IF_DO’s Sarah Castle: ‘People become the project’

Nov 27, 2024 42m

Episode 54. AJ Climate Champions with Hattie Hartman and Rachael Owens.  AJ Climate Champions latest series focuses on retrofit. Our guest today is IF_DO founder Sarah Castle, who explains that…

Chipperfield’s MC Piccinelli on how retrofit can enhance creativity

Nov 13, 2024 43m

Episode 53. AJ Climate Champions with Hattie Hartman and Rachael Owens.  AJ Climate Champions is back, with a new series focusing on retrofit. Our guest today is Maria-Chiara Piccinelli, associate…

Why earth is the ultimate circular material

May 23, 2024 42m

Episode 52. AJ Climate Champions with Hattie Hartman and Joe Jack Williams.  To achieve replication at scale, Nicolas Coeckelberghs of Brussels-based BC Materials favours compressed earth blocks over…

Vinu Daniel on transforming mud and waste into architecture

May 08, 2024 40m

Episode 51. AJ Climate Champions with Hattie Hartman and Joe Jack Williams.  Daniel views mud and waste as opportunities, not obstacles. He advocates an approach of ‘maximum optimism’, explaining…

Carmody Groarke’s Sian Ricketts on making bricks from waste

Apr 24, 2024 26m

Episode 50. AJ Climate Champions with Hattie Hartman and Joe Jack Williams.  Carmody Groarke sustainability lead Sian Ricketts explains how architecture can adapt to the reality of finite resources…

AKTII’s David Watson on how to reduce the environmental impacts of brick

Apr 10, 2024 42m

Ep 49. Structural engineer David Watson describes the enduring appeal of brick and its underexploited superpower: reuse Brick has many advantages: durability, aesthetics, use as both envelope and…

‘Over-specification of concrete is an industry addiction’

Mar 27, 2024 38m

Episode 48. AJ Climate Champions with Hattie Hartman and Joe Jack Williams. Structural engineer Eva MacNamara of Expedition Engineering explains how we can radically reduce our use of concrete and…

Henning Larsen’s Martha Lewis on how to screen materials for both chemicals and carbon

Mar 13, 2024 38m

For the first in a new six-part series on materials, Hattie is joined by co-host Joe Jack Williams to interview Martha Lewis, head of materials at Danish practice Henning Larsen. Lewis argues that a…

‘I’m no longer the wood weirdo,’ says Andrew Waugh

Dec 14, 2023 47m

Episode 46. AJ Climate Champions with Hattie Hartman and George Morgan. Andrew Waugh explains how building with timber can address industry transformation at scale. ‘I want to transform the whole…

The Public Practice associates driving retrofit and net zero in the public sector

Nov 29, 2023 37m

Episode 45. AJ Climate Champions with Hattie Hartman and George Morgan. Two Public Practice associates explain how working in the public sector has increased their agency as designers. Public…

Je Ahn on setting up Studio Weave and working with found materials

Nov 08, 2023 42m

Episode 44. AJ Climate Champions with Hattie Hartman and George Morgan. Studio Weave founding director Je Ahn explains the challenges of sourcing timber from London’s streets and parks. He describes…

Material passports and Architects Declare four years on

Oct 24, 2023 32m

Ep 43. AJ Climate Champions with Hattie Hartman and George Morgan. London Eye architect Julia Barfield explains how the climate emergency changed the way her practice, Marks Barfield, operates, as…

Architects must re-educate themselves on timber sourcing

Oct 12, 2023 42m

Episode 42. AJ Climate Champions with Hattie Hartman and George Morgan. Montreal-based architect and systems thinker Scott Francisco explains why architects must educate themselves to understand the…

Frequently Asked Questions

How many episodes does AJ Climate Champions have?

AJ Climate Champions has published 63 episodes since October 2020, covering topics in Arts, Design.

Is AJ Climate Champions still active?

AJ Climate Champions is currently sporadic with new episodes every 2 weeks. Average episode length is 42m.

How do I contact AJ Climate Champions for sponsorship or guest appearances?

Sign up on Grep.FM to access contact details for AJ Climate Champions, including email and social media links.

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