Maybe Forever
Even more troubling news is that it’s unclear just how long it will take for the plastic waste to biodegrade completely. Scientists estimate a range from 450 years to, possibly, never.
Nearly 700 species, including endangered ones, are known to have been affected by ocean plastic. Some are entangled in abandoned fishing nets or discarded six-pack rings, but many more are harmed by ingesting microplastics – pieces of plastic smaller than one-fifth of an inch across.