Offspring of Calaveras River salmon may be left high and dryIn the fall, the Calaveras River hosted hundreds of Chinook salmon, which swam upstream through Stockton for the first time since 2006.
But the offspring of those fish will be lucky to get out of the river alive.
Virtually dry conditions in Mormon Slough and the Stockton Diverting Canal have left more than 100 salmon "redds," or nests, without the water that the fertilized eggs need to survive, a biologist says... Read more.
The federal government's largest nuclear cleanup project is being called into question by some key players. Managers for the Hanford Nuclear Reservation's waste treatment plant say the design is deeply flawed and could endanger workers or the public... Read and more, or, listen here.
Children living next to driveways or parking lots coated with coal tar are exposed to significantly higher doses of cancer-causing chemicals than those living near untreated asphalt, according to a study that raises new questions about commonly used pavement sealants.
Researchers from Baylor University and theU.S. Geological Survey also found that children living near areas treated with coal tar-based sealants ingest twice as many polycyclic aromatic hydrocarbons, or PAHs, from contaminated dust tracked into their homes than they do from food... Read more.