Trash and human debris in the ocean is a devastating world problem. Approximately 1.8 trillion pieces of plastic float at the surface of the Great Pacific Garbage Patch. While it may not be easy to see from the coast, trash in the ocean is no insignificant matter. That’s why so many organizations and grassroots efforts have begun to clean up our world’s waters. But how are they tackling this monumental task, and what technologies have sprung forth in the process?