Dear Earth, featuring appearances from BLACKPINK, Billie Eilish and more.Aside from the ‘Bad Guy’ singer and BLACKPINK member Rosé, the trailer also features appearances from musicians Jaden Smith, Anitta and Lil Dicky. The special will also include global leaders, such as former US President Barack Obama and Alphabet CEO Sundar Pichai.“It is our responsibility to deal with climate change,” Eilish says in the trailer, accompanied by footage of melting polar ice caps.