Only 20% of waste is recycled at Coachella, according to a study of the city of Indio, where the festival takes place. In terms of carbon footprint, the worst is due to the movement of the public, artists and professionals, a professor specializing in climate at Sweden's Lund University says.
The British rock band Coldplay interrupted their world tour for a time, citing environmental reasons. The English trio of Massive Attack has called for an "urgent and substantial reorganization" of the music industry.