Condors were reintroduced to the rugged coast of Big Sur in 1997. Now, researchers say the banned pesticide DDT has harmed the birds’ ability to reproduce in the wild.
A half-century after California officials found that large amounts of the pesticide DDT were discharged into a San Francisco Bay canal, the chemical is still poisoning fish and posing a threat to human health.
Fish at 2 waterways in Richmond’s Inner Harbor have shown steadily higher levels of pesticide contamination despite the clean-up of an adjacent Superfund site more than 16 years ago.
New safety guidelines have been issued for eating fish caught in San Francisco Bay, the first such update in 17 years.