Detailed text transcripts for TV channel - MSNBC - 20100721:17:38:00
Pressure sprayers used on some alaskan beaches ended up delaying recovery. tell us about that. >> the pressure sprayers on the alaskan beaches ended up sterilizing in large part the beach and it took a long time for the beaches to recolonize back to their normal bioda. that's a good example of an effect, a cleanup effect where you can do more harm than good potentially. in the gulf, there's again great scope for that particularly if oil gets into the marshes, there aren't a lot of options once it gets in there without threatening the long-term health of the marsh just by what you do to get it ...
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