Björk previously made charity songs to support
environmental activism. In 2008, she released the song "
Náttúra", featuring
Radiohead vocalist
Thom Yorke, from which all proceeds went to the Náttúra campaign, an environmental group she co-founded to fight the construction of foreign-backed aluminium factories in Iceland. She founded the Náttúra Foundation that same year to support Iceland's natural habitats and protest against
aluminium factories being built there, and campaigned against the construction of an energy project in the country's highlands in 2015, calling for a national park to be created in its stead. She has celebrated the natural world in her music, and has supported activist
Greta Thunberg, praising her anthology
The Climate Book. In the wake of nation-wide protests against Norwegian-owned commercial farming operations that threaten to disrupt native ecosystems in
Seyðisfjörður, Björk revisited "Oral", a song she composed in 1998, and offered it to Rosalía, who she had met through
el Guincho in 2017. The proceeds from the song will go towards anti-fish farming organized activists in the
Eastfjord. ==Composition==