Which major film production is credited with pioneering the 'Green Set' sustainability guidelines that have now been adopted by most major Hollywood studios?

Sustainability has become a major focus in the film and television industry in recent years. From reducing carbon footprints on massive productions to implementing eco-friendly practices in studios, the entertainment world is evolving to address environmental concerns. This poll tests your knowledge about one of Hollywood's most significant sustainability initiatives that changed how major studios approach environmental responsibility on set.

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The Matrix (1999)
The Day After Tomorrow (2004)
Avatar (2009)
An Inconvenient Truth (2006)