Exxon Valdez oil-spill recovery still is work in progress, 20 years later
Twenty years after the Exxon Valdez oil spill, pockets of oil — an estimated 16,000 gallons — remain buried in small portions of the intertidal zone. And herring, a cornerstone species of Prince William Sound's ecosystem, is one of two species "not recovering." The herring population's failure to rebound has emerged as among the most perplexing ecological mysteries of the spill's legacy. Full Story »
Posted by Dwight Rousu
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