Welcome to our knowledge hub, where you can read, watch and listen to interviews, event recordings and instructional videos on sustainable business and how to replicate our approach.

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Our Story: The Crystal Doors approach

Richard Hagan explains his environmental and ethical philosophy for Crystal Doors, and how other organisations can replicate his success.

Climate Change Professionals: Net zero and your supply chain

Richard Hagan speaks with Climate Change Professionals about how we are putting pressure on our supply chain in the journey to net zero.

Factory Tour: Energy Efficiency Examples

Richard Hagan takes you on a tour of some of the many energy efficiency upgrades we've made in our factory.

The NGY Show: Going green and careers for young people

Richard Hagan speaks to The Next Gen Youths Show on Unity Radio about the importance of going green and mental health, and shares his top career advice tips.

Unity Radio · Richard Hagan Of Crystal Doors, Interview W/ The NGY Show, Hosted By Block Builders, [2021 03 18]

Translational Energy Research Centre: How to achieve net zero

Richard is invited by The University of Sheffield's Translational Energy Research Centre to speak about how a personal epiphany and vital business decisions combined to drive his passion for making Crystal Doors as sustainable as possible.

Green Tech 2021: Race to Zero

Richard Hagan explains the background to his journey to net zero and how he is changing the purpose of the business to prioritise people and planet at pro-manchester's Green Tech 2021 conference.