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The beauty of the ocean hides within it troubling secrets, such as a decrease in oxygen levels that could lead to increasing "dead zones"

Ocean Oxygen : Suffocating the Seas

Ocean breathing – From the shallows down to its yawning depths, the ocean gets its oxygen from the surface, supplied either by the atmosphere or from the release of oxygen in phytoplankton through photosynthesis. Scientists have long known that one expected consequence from a warming climate is a gradual drop in the amount of oxygen dissolved into ocean waters as they absorb…

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Dead-Zone Nutrient Reduction Target Pushed Out to 2035

Progress has been achieved in certain watersheds, but pushing back the target date to reduce run-off of nitrogen and phosphorous two decades is a testament to the extent and intractability of the problem.