Scientists fear 'tipping point' in Pacific Ocean
Coast has seen deadly drop-off in oxygen levels for sea life
Where scientists previously found a sea bottom abounding with life, two years ago they discovered the rotting carcasses of crabs, starfish and sea worms, swooshing from side to side in the current. Most fish had fled -- and those that didn't or couldn't joined the deathfest on the sea floor.
Extraordinarily low oxygen levels were to blame -- swept up from the deep ocean into normally productive waters just off the Pacific Northwest coast by ...
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