SEATTLE—Tomorrow, on Wednesday, April 14, the U.S. Court of Appeals for the Ninth Circuit will hear arguments in Center for Food Safety's (CFS) ongoing lawsuit challenging the U.S. Food and Drug Administration's (FDA) approval of soy leghemoglobin (a.k.a. "heme"), the novel genetically engineered (GE) color additive that makes Impossible Foods' eponymous plant-based burger, the Impossible Burger, appear to "bleed" like real meat. CFS originally filed the lawsuit in March 2020, challenging FDA's safety review of the genetically engineered color additive.