Humans have dumped so much trash in the ocean between California and Hawaii that this area–known as the Great Pacific Garbage Patch–is now three times the size of France. But it’s far from the only part of the ocean that has been overwhelmed with detritus. According to Cyrill Gutsch, founder of the environmental startup Parley For The Oceans, plastic waste in the oceans are killing marine life. “We’re finding plastics in the stomachs of whales and other fish,” he says. “And part of it is ending up in the foods we eat.”