Which architectural project was the first to achieve the 'Living Building Challenge' certification, requiring net-zero energy, water, and waste systems while being constructed entirely with non-toxic, locally sourced materials?

In the architecture industry, sustainability has become a defining factor in modern design. Major architectural firms are increasingly committing to reducing carbon footprints and implementing innovative green technologies. This poll tests your knowledge of significant sustainability initiatives in high-profile architectural projects that have set new standards for environmentally responsible design and construction practices.

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Bullitt Center in Seattle
The Edge in Amsterdam
One Central Park in Sydney
Shanghai Tower in China