red tide

Sick sea lions, dolphins overwhelming Southern California rescue organization

Photo: A sick sea lion, possibly suffering from domoic acid toxicity, is seen resting on a California beach in June…

1 year ago

When red tide smothered an urban lake, citizen scientists sounded the alarm

Photo: Shifting tides Lake Merritt in downtown Oakland in cleaner times, above left, and after a devastating algal bloom brought…

2 years ago