Winner of the CIEEM Best Practice Knowledge Sharing Award 2025Shortlisted in three categories in the Publisher Podcast Awards 2026 and 2025
Constructive VoicesConstructive Voices

Constructive Voices

Reports, articles, and podcasts on the built environment, sustainability and biodiversity

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Rutger de Graaf

Rutger de Graaf

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Rutger de Graaf is a pioneer in climate resilience, water management, and sustainable urban development. As co-founder of Blue21, he is a global frontrunner in floating urban development, merging engineering, governance, and sustainability to create climate-adaptive cities on water. With a background in civil engineering, Rutger has transformed groundbreaking research into real-world projects, such as the Floating Pavilion in Rotterdam and the Bluelands Floating Tiny Office. A thought leader and keynote speaker, he advocates for innovative, socially embraced, and ecologically sound solutions to global urban challenges.