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Trent Reznor and Atticus Ross Scored Leonardo DiCaprio’s New Climate Change Doc

Academy Award-winning composing team Trent Reznor and Atticus Ross have once again joined forces, this time to create the soundtrack for Before the Flood, a new environmental documentary from Leonardo DiCaprio and producer Fisher Stevens. Post-rock instrumentalists Mogwai and film composer Gustavo Santaolalla also contributed work.

Reznor and Ross took home an Oscar for their score for director David Fincher’s 2010 Facebook drama The Social NetworkThe pair also scored Fincher’s 2014 feature, Gone Girl, and recently shared a song inspired by NASA’s Juno mission to Jupiter.

DiCaprio’s climate activism stems from his role as a UN Messenger of Peace, a position he was awarded in 2014. For the new film, he and Stevens travelled to a number of locations feeling the effects of human activity, pollution, and climate change, including smoggy Beijingwaterlogged Miami Beach, and deforested Indonesia.

Before the Flood debuted today at the Toronto International Film Festival, and screens in New York and Los Angeles on October 21. It will air internationally via the National Geographic channel beginning October 30. Below, watch a short clip of DiCaprio and marine ecologist Enric Sala marveling at narwhals in the Arctic.