Global warming worsens aquatic dead zones, study finds
from San Francisco Chronicle
Global warming is likely playing a bigger role than previously thought in dead zones in oceans, lakes and rivers around the world and it's only going to get worse, according to a new study. Dead zones occur when fertilizer runoff clogs waterways with nutrients, such as nitrogen and phosphorous. That leads to an explosion of microbes that consume oxygen and leave the water depleted of oxygen, harming marine life.
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