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The Deepwater Horizon oil well in the Gulf of Mexico exploded on April 20 last year. Eleven men were killed, and the well was not capped for over three months. Nearly 5 million barrels of crude oil leaked out into Gulf waters. This hour, we'll look back at the oil spill one year later. What are the ecological and economic effects of the spill today? Did the heavy use of dispersant cause lasting damage? Has the area's economy recovered? What can the science tell us?
Riki Ott is a community activist and a former commercial fisherperson who has a degree in marine toxicology with a specialty in oil pollution. She is the author of "Sound Truth and Corporate Myth$: The Legacy of the Exxon Valdez Oil Spill" and "Not One Drop: Promises, Betrayal, and Courage in the Wake of the Exxon Valdez Oil Spill."
Antonia Juhasz is energy director at Global Exchange in San Francisco. Her books include "The Bush Agenda" and "The Tyranny Of Oil: The World's Most Powerful Industry — And What We Must Do To Stop It." Her latest book is "Black Tide: The Devastating Impact Of The Gulf Oil Spill." She joins us from New York.
Christopher Reddy is a senior scientist at the Woods Hole Oceanographic Institution who studies long–term consequences of oil spills.