Hanna Brooks Olsen is a writer living in Seattle. She is the cofounding editor of Seattlish. Her writing has been published in such publications asThe Atlantic, Salon, CityLab and McSweeney’s. https://www.newsdeeply.com/oceans/contributor/hanna-brooks-olsen/rss en Biodiversity Blue Economy Mon, 25 Sep 2017 09:58:10 +0000 Hanna Brooks Olsen https://www.newsdeeply.com/oceans/articles/2017/09/25/why-tearing-down-dams-could-help-save-endangered-killer-whales https://www.newsdeeply.com/oceans/articles/2017/09/25/why-tearing-down-dams-could-help-save-endangered-killer-whales Dams, pollution and development have taken a toll on salmon populations in Washington State. Now researchers find that the lack of fish is causing pregnant orcas to miscarry, further imperiling the endangered killer whales.