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Core sample from Hood Canal showing a cotton-like mat of Beggiatoa bacteria extending above the seafloor. Oct 2006. Photo: Matt Lonsdale

Does Puget Sound need a diet?

As the region’s population grows, scientists say we can expect to see increasing amounts of nitrogen and other elements flowing into Puget Sound. Known as “nutrients” these elements are naturally occurring and even necessary for life, but officials worry that nutrients from wastewater and other human sources are tipping the balance. That could mean big …

An algae bloom covers a huge section of Lake Erie. Photo courtesy of NASA.

Puget Sound’s growing nutrient problem

First there was “The Blob” that fed last year’s massive algae bloom in the Pacific Ocean. Now there is another monster getting our attention. You might call it “The slime that ate Lake Erie.” The incredible images of Lake Erie’s expanding blanket of green show the familiar effect of nutrient pollution. Nutrients such as phosphorous …