The oil spill's toxic trade-off
Break down the oil slick, keep it off the shores: that's grounds for pumping toxic dispersant into the Gulf, say clean-up overseers. Susan Shaw shows evidence it's sparing some beaches only at devastating cost to the health of the deep sea.
This talk was presented to a local audience at TEDxOilSpill, an independent event. TED editors featured it among our selections on the home page.