Katharine Gammon 06.11.12 12:10 AM The world’s oceans are a vast and complicated—but vital—part of the planet. Scientists are now working on a way to give us a simple indication of how healthy they are. The answer, sadly, may be: not so good. Newsletter Get the latest Fast Company stories delivered to your inbox daily. Send I'd also like to receive special Fast Company offers ARE YOU REGISTERED TO VOTE? Register now to make sure you have a voice in the election.