Researchers are offering different explanations for changing ocean oxygen concentrations rather than appreciating multiple causality. Credit: raiPR (CC0) Peter Brewer / Eos May 14, 2018 Widespread declines in ocean oxygen concentrations are now being reported with authors offering quite different explanations. Which ones are correct? Researchers are offering different explanations for changing [...]

Algal blooms that rob water of oxygen swirl across the Arabian Sea in 2015. New research indicates the sea has the world's largest low-oxygen 'dead zone.' Photo Credit: NASA Tristan Baurick / The Times-Picayune May 11, 2018 The Gulf of Mexico's dead zone is bigger than ever. Recent surveys put it at an [...]

Green algae swirls on the beach of Bandar al-Jissah in Oman on March 3, 2017. The Gulf of Oman turns green twice a year for about three months at a time, when an algae bloom spreads. Photo Credit: Sam McNeil, Associated Press CBC News May 2, 2018 U.K. researcher says area where [...]