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The BIG Biodiversity Challenge will open for submissions on 28 February 2023

Sign up for the 2023 BIG Biodiversity Challenge and join the movement to protect and enhance biodiversity in the built environment

2023 will be the 10th anniversary of the Biodiversity Challenge- we are preparing something BIG!


How to get involved?

Join CIRIA Biodiversity Community of Practice now and take an active role in next year's awards. This comes with many benefits.

Drop us a line at and you will be the first to know once the Biodoversity Challenge is officially open.

Join the conversation: Follow us on Twitter: @BIGbiodiversity and LinkedIn: CIRIA and use the hashtags: #DoOneThing, #Biodiversity, #BIGChallenge & #BIGAwards.

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