Saturday, February 11, 2012
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Our Bay: This Week's Take: Tipping points for the bay

Capital Gazette Communications
Published 06/06/09

In the upper Chesapeake Bay, cutting pollution has lagged well behind goals scientists say are needed to restore the estuary.

Courtesy photo
Tom Horton covered the bay for 33 years for The Baltimore Sun and is author of six books about the Chesapeake. He is currently a freelance writer.
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Yet across thousands of acres there, all-important underwater grass habitats have exploded in recent years to levels not seen in half a century.

Downstream, throughout much of the bay's main stem, excessive pollution levels have held fairly steady during recent decades.

Yet deepwater "dead zones," massive volumes of water with too little oxygen for aquatic life, have steadily worsened and expanded there.

And another wrinkle: Just in the last couple years there are tantalizing...

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