Photo of harlequin duck, via Just chaos When officials said it would take 20 years for the corals on the Great Barrier Reef to recover after the Chinese coal ship slammed into it and grounded for a week, they may have even been conservative with their estimate. It seems that exposure to toxins and oil can have a long, drawn out recovery time - at least, that's what is found for wildlife that live in the area affected by the Exxon Valdez spill two decades ago....Read the full story on TreeHugger