If a Tree Falls: A Story of the Earth Liberation Front is a 2011 American documentary film by filmmaker Marshall Curry.

It tells the story of activist Daniel G. McGowan of the Earth Liberation Front (ELF), from his first arson attacks in 1996 to his 2005 arrest by the Department of Justice.

[1] Premiering at the 2011 Sundance Film Festival, If a Tree Falls was rapidly acclaimed by critics as many considered it one of the best documentaries of 2011 for its thought-provoking portrayal of complex environmental and political issues.

If a Tree Falls: A Story of the Earth Liberation Front premiered at the 2011 Sundance Film Festival, where it won the award for Best Documentary Editing.

The website's consensus reads: "Rooted in the trials of a fast-moving reality, If a Tree Falls: A Story of the Earth Liberation Front deftly connects to a larger system with care and attention.