Ocean currents are sweeping up huge quantities of plastic waste into what is called garbage patches, and the biggest one of all is the Great Pacific Garbage Patch, estimated at twice the size of Texas. Much of it is made of microplastics in the water, along with other debris that is harmful to sea life. No country has provided funding to clean it up, but a nonprofit called The Ocean Cleanup has taken on this mammoth task. Cheddar News explains.