Toxic algae killed hundreds of marine mammals near L.A. in the last year. Scientists suspected January wildfire runoff may be to blame, but new research says no.| Los Angeles Times
Unprecedented numbers of gray whales are being spotted in San Francisco Bay, and nobody really knows why. Experts only have educated guesses about the prevalence of porpoises, dolphins and humpback whales too.| Los Angeles Times
It was one of the longest and deadliest ever recorded in Southern California.| Los Angeles Times
What is driving the unprecedented spread of avian flu?| Los Angeles Times