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The UK's largest net zero congress

Transforming systems for a low carbon economy

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10,000+

Delegates

400+

Speakers

250+

Exhibitors

250+

Content sessions

Innovation Zero World returns to Olympia London on 28th & 29th April 2026

Supported by the UK Government, Innovation Zero provides a space and opportunity for collaboration, breaking down silos, and overcoming obstacles to drive large-scale, impactful progress towards global emissions reduction.

Innovation Zero’s mission?

To accelerate a just global transition to a low carbon economy by connecting innovators, funders, policymakers, and business leaders.

Find out more about us here.
 

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Co-Chairs

Meet our 2025 Co-Chairs

Innovation Zero 2025 was honoured to be chaired by Dr Rhian-Mari Thomas OBE, CEO of the Green Finance Institute, and Baroness Bryony Worthington, a key architect of the UK’s world-leading Climate Change Act. They delivered powerful opening addresses on Days 1 and 2 of our Main Stage content programme.

Their leadership perfectly embodied our mission to champion innovation in all its forms. Together, they co-authored a thought leadership article examining the critical role of innovation at every stage of the low-carbon transition.
 

READ THE ARTICLE

Innovation Zero World 2025's speakers included:

 

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13 high-level forums & theatres

To accelerate the transition to a low-carbon economy, contributions from all sectors are essential.

Innovation Zero 2025 brought together leaders and changemakers from across industries to break down silos and foster cross-sector collaboration. The event served as a powerful platform for sharing and scaling cutting-edge decarbonisation solutions.

In 2025, we introduced dedicated forums on Supply Chain, Infrastructure, and Nature, Land & Sea – expanding the conversation and deepening engagement across these critical areas.

 

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Innovation Zero World 2025's Event Partners

Platinum Sponsor

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Lead Partner

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Gold Sponsors

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Lanyard Sponsor

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Silver Sponsors

Headline Media Partner

Headline Partners

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News

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  • Every year on June 5th, World Environment Day shines a spotlight on the most pressing environmental challenges of our time. In 2025, the focus is on one of the most visible and pervasive issues facing ...
  • Rachel Kyte, UK Special Representative for Climate at the Foreign, Commonwealth and Development Office (FCDO) and Dr Rhian-Mari Thomas, co-Chair of Innovation Zero and CEO of the Green Finance Institu ...
  • “There is nothing in a caterpillar that tells you it’s going to be a butterfly” – R. Buckminster Fuller On April 29, 2025, the Innovation Zero Congress in London hosted a panel discussion titled “Acce ...

 

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