Plastic pollution poses one of the biggest known threats to the ocean, influencing all ecosystems from beautiful coral reefs to abyssal trenches, eventually accumulating in our own food. Learn more about how to upend the current system of produce-use-discard, and transition to a system which promotes reuse and repurposing of plastics. ➡ Subscribe: http://bit.ly/NatGeoSubscribe Learn more about Pristine Seas and National Geographic Society's other work to explore and protect the planet: http: