TIME: Yes, the spill killed birds — but so far, less than 1% of the birds killed by the Exxon Valdez. Yes, we’ve heard horror stories about oiled dolphins — but, so far, wildlife response teams have collected only three visibly oiled carcasses of any mammals. Yes, the spill prompted harsh restrictions on fishing and shrimping, but so far, the region’s fish and shrimp have tested clean, and the restrictions are gradually being lifted. And, yes, scientists have warned that the oil could accelerate the destruction of Louisiana’s disintegrating coastal marshes — a real slow-motion ecological calamity — but, so far, shorelines assessment teams have only found about 350 acres of oiled marshes, when Louisiana was already losing about 15,000 acres of wetlands every year. The disappearance of more than 2,000 square miles of coastal Louisiana over the last century has been a true national tragedy, ravaging a unique wilderness, threatening the bayou way of life and leaving communities like New Orleans extremely vulnerable to hurricanes from the Gulf. And while much of the erosion has been caused by the re-engineering of the Mississippi River — which no longer deposits much sediment at the bottom of its Delta — quite a bit has been caused by the oil and gas industry, which gouged 8,000 miles of canals and pipelines through coastal wetlands. But the spill isn’t making that problem much worse. Coastal scientist Paul Kemp, a former Louisiana State University professor who is now a National Audubon Society vice president, compares the impact of the spill on the vanishing marshes to “a sunburn on a cancer patient.” MORE