Gulf health nearly at pre-spill level: AP survey

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    However, the scientists restrain their optimism about nature's resiliency with the glaring blemishes² out there.

    It's been nearly a year since BP's Gulf of Mexico oil spill began last April, triggering one of the world's worst environmental disasters. Nearly 5 million barrels of oil leaked from the ruptured³ Deepwater Horizon well during the months-long catastrophe⁴.

    BP said last November that the disaster cost it nearly 40 billion U.S. dollars, according to a Guardian⁵ report.

    According to a BP survey of researchers, over three dozen scientists grade the Gulf's big picture health a 68 on average, using a 1-to-100 scale.

    That's just a few points below the 71 the same researchers gave last summer when asked what grade they would give the ecosystem⁶ before the spill. And it's an improvement from the 65 given back in October after months of the oil spill.(本文由在线英语听力室整理编辑)

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