The plan calls for spilling more water over the dams at strategic times to help fish migrate faster to and from the ocean, a tactic that has already been in use. This is a familiar refrain. Proving/disproving vaccine related injuries, Science X Daily and the Weekly Email Newsletter are free features that allow you to receive your favorite sci-tech news updates in your email inbox. They contend the dams must go if salmon are to survive. Neither your address nor the recipient's address will be used for any other purpose. The content is provided for information purposes only. The decision thwarts the desires of environmental groups that fought for two decades to breach the structures. The dams have many defenders, including Republican politicians from the region, barge operators and other river users, farmers and business leaders. In this May 15, 2019, file photo, the Lower Granite Dam on the Snake River is seen from the air near Colfax, Washington. The lower Snake River dams have turned a wild river into a series of deadly reservoirs, putting Northwest salmon runs in grave peril. The draft plan favors maintaining the status quo: a do-little decision that will ultimately prove disastrous for commercial and recreational fishing communities, tribes, and other river u… Your opinions are important to us. The final report was similar to a draft plan issued in February, which concluded that removing the four dams would destabilize the power grid, increase overall greenhouse emissions and more than double the risk of regional power outages. In all, three federal judges have thrown out five plans for the system over the decades after finding they didn’t do enough to protect salmon. Brown said the science already is clear that the “most certain and robust solution to Snake River salmon and steelhead recovery” is removing the Snake River dams. The plaintiffs in the new lawsuit claim that will not be enough to restore salmon and steelhead populations. “The science is clear that removing the earthen portions of the four lower Snake River dams is the most certain and robust solution to Snake River salmon and steelhead recovery,” Brown wrote. The Columbia River system dams cut off more than half of salmon spawning and rearing habitat, and many wild salmon runs in the region have 2% or less of their historic populations, according to the Center for Biological Diversity. Snake River sockeye were the first species in the Columbia River Basin listed under the Endangered Species Act in 1991. Scientists warn that southern resident orcas are starving to death because of a dearth of chinook salmon that are their primary food source. This site uses cookies to assist with navigation, analyse your use of our services, and provide content from third parties. This material may not be published, broadcast, rewritten or redistributed without permission. © 2020 The Associated Press. A record of decision on the plan announced Friday will be released in September. Are there brainless creatures that don't sleep? The U.S. government announced Friday that four huge dams on the Snake River in Washington state will not be removed to help endangered salmon migrate to the ocean. Now, 13 salmon runs are listed as federally endangered or threatened. The fight over salmon and dams on the Columbia and Snake rivers could be headed back to the courtroom. Since then, salmon populations have plunged. Environmental groups panned the Trump administration plan as inadequate to save salmon, an iconic Northwest species. 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