![Tijuana Slough National Wildlife Refuge, on the Mexican border south of San Diego, is one of 180 coastal refuges in the National Wildlife Refuge System. Photo by Ralph Lee Hopkins with aerial support by LightHawk](https://www.endangered.org/assets/uploads/2021/10/Tijuana-Slough-Refuge-aerial-336x217.jpg)
environment
New Oil Spill Endangers Marine Species
By David Robinson, originally posted on esconservsite.org. _ Just when vulnerable marine species sensed their watery habitat was (marginally) safe,
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