Which major film studio launched the first comprehensive 'Green Production Guide' that has become an industry standard for sustainable filming practices?

The film and television industry has been making significant strides toward sustainability in recent years. Major studios and production companies have implemented various eco-friendly initiatives to reduce their environmental impact. From solar-powered sets to waste reduction programs, the entertainment world is embracing green practices. How well do you know the sustainability efforts in Hollywood? Test your knowledge with this trivia question!

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Warner Bros. with their 'Green Is Universal' initiative
Disney with their 'Environmental Stewardship' program
Sony Pictures Entertainment with their 'Sony Pictures' Sustainability Initiative'
Paramount with their 'GreenLight' production standards