Bloomberg: Fishing, pollution and climate change have damaged more than two-fifths of the world’s oceans, according to scientists who produced a map of the human toll on marine life. Every single square mile of the oceans is affected by something man-made, and 41 percent of the seas has a "medium high" or "high" impact, the scientists, led by Ben Halpern at the University of California, Santa Barbara, said in the study Thursday in the journal Science. The researchers …