Just How Much BP Oil Is Left In The Marshes?

On the one-year anniversary of the catastrophic BP oil spill in the gulf, scientists are still struggling to figure out just how much oil is in the marshes. This excellent New York Times video explores their challenges, not the least of which is the inherent complexity of determining the damage to a vast and vibrant ecosystem. One group of researchers, for example, are guesstimating the number of bird deaths by taking bird carcasses out to sea, dropping them in, and seeing how many wash ashore.

The Science of the Spill [NYT]
Gulf’s Complexity and Resilience Seen in Studies of Oil Spilll [NYT]

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