Which pioneering sustainable theater practice was first implemented by the National Theatre in London that significantly reduced their carbon footprint?

The performing arts industry is increasingly focusing on sustainability initiatives. From eco-friendly set designs to renewable energy in performance venues, theaters around the world are reimagining how productions can reduce their environmental footprint while maintaining artistic excellence. Test your knowledge about sustainable practices that are transforming the stage experience!

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Installing a hydrogen fuel cell that provides 20% of the theater's energy needs
Creating biodegradable tickets made from seed paper that can be planted after use
Developing a water recycling system that reuses rainwater for all stage effects
Implementing an all-digital program system that eliminated paper waste completely by 2010