The news that is fit to print, for better or worse as it impacts our mood and our sense of hope (or sense of doom on occasion), includes this review of the current best knowledge on marine ecosystems by one of our favorite science writers:

Ocean Life Faces Mass Extinction, Study Says

By CARL ZIMMER

Scientists find what they say are clear signs that humans are beginning to damage oceans on a catastrophic scale, but there is still time to preserve their ecological health.