Her father was a filmmaker, and her mother the director of the Los Angeles Free Clinic.
[5] Following her graduation, Cohen began working in collage, initially using deconstructed brown paper bags, and later incorporating plastic.
"[5] In 2009, after learning about the Great Pacific Garbage Patch, she founded the Plastic Pollution Coalition (PPC) with her sister, Julia Cohen, Manuel Maqueda, Daniella Russo and Lisa Boyle.
[2][6] She has led the Plastic Pollution Coalition's efforts to eliminate the use of single-use containers for beer, water and other drinks at music festivals and concerts.
[8] In 2016, she was presented the inaugural Snow Angel Award by the Sun Valley Film Festival.