Which of these music industry sustainability initiatives was the first to be implemented on a large scale?

The music industry has been increasingly focused on environmental impact in recent years. From eco-friendly vinyl alternatives to carbon-neutral tours, artists and labels are finding innovative ways to reduce their ecological footprint. This poll tests your knowledge about groundbreaking sustainability initiatives that are changing how music is produced, distributed, and experienced. Can you identify which major sustainability breakthrough actually happened in the industry?

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Billie Eilish's 2019 'Where Do We Go?' world tour that eliminated single-use plastics and included 'Billie Eilish Eco-Villages' at venues
Coldplay's 2022 'Music of the Spheres' tour featuring kinetic dance floors that generated electricity from fans' movements
Jack Johnson's 2007 'Sleep Through the Static' tour that pioneered biodiesel tour buses and comprehensive venue greening
Universal Music Group's 2021 plant-based vinyl records made from sugar cane waste that reduced carbon footprint by 90%